13 fs/ext3/super.c
View file
@@ -411,9 +411,6 @@ static void ext3_put_super (struct super_block * sb)
int i, err;

dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);

lock_kernel();

ext3_xattr_put_super(sb);
err = journal_destroy(sbi->s_journal);
sbi->s_journal = NULL;
@@ -462,8 +459,6 @@ static void ext3_put_super (struct super_block * sb)
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
kfree(sbi);

unlock_kernel();
}

static struct kmem_cache *ext3_inode_cachep;
@@ -1627,8 +1622,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
sbi->s_resgid = EXT3_DEF_RESGID;
sbi->s_sb_block = sb_block;

unlock_kernel();

blocksize = sb_min_blocksize(sb, EXT3_MIN_BLOCK_SIZE);
if (!blocksize) {
ext3_msg(sb, KERN_ERR, "error: unable to set blocksize");
@@ -2025,7 +2018,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
test_opt(sb,DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA ? "ordered":
"writeback");

lock_kernel();
return 0;

cantfind_ext3:
@@ -2055,7 +2047,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
kfree(sbi);
lock_kernel();
return ret;
}

@@ -2538,8 +2529,6 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
int i;
#endif

lock_kernel();

/* Store the original options */
lock_super(sb);
old_sb_flags = sb->s_flags;
@@ -2648,7 +2637,6 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
kfree(old_opts.s_qf_names[i]);
#endif
unlock_super(sb);
unlock_kernel();

if (enable_quota)
dquot_resume(sb, -1);
@@ -2669,7 +2657,6 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
}
#endif
unlock_super(sb);
unlock_kernel();
return err;
}

11 fs/ext4/super.c
View file
@@ -26,7 +26,6 @@
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/parser.h>
#include <linux/smp_lock.h>
#include <linux/buffer_head.h>
#include <linux/exportfs.h>
#include <linux/vfs.h>
@@ -708,7 +707,6 @@ static void ext4_put_super(struct super_block *sb)
destroy_workqueue(sbi->dio_unwritten_wq);

lock_super(sb);
lock_kernel();
if (sb->s_dirt)
ext4_commit_super(sb, 1);

@@ -775,7 +773,6 @@ static void ext4_put_super(struct super_block *sb)
* Now that we are completely done shutting down the
* superblock, we need to actually destroy the kobject.
*/
unlock_kernel();
unlock_super(sb);
kobject_put(&sbi->s_kobj);
wait_for_completion(&sbi->s_kobj_unregister);
@@ -2588,8 +2585,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_sectors_written_start =
part_stat_read(sb->s_bdev->bd_part, sectors[1]);

unlock_kernel();

/* Cleanup superblock name */
for (cp = sb->s_id; (cp = strchr(cp, '/'));)
*cp = '!';
@@ -3181,7 +3176,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
if (es->s_error_count)
mod_timer(&sbi->s_err_report, jiffies + 300*HZ); /* 5 minutes */

lock_kernel();
kfree(orig_data);
return 0;

@@ -3228,7 +3222,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
kfree(sbi);
lock_kernel();
out_free_orig:
kfree(orig_data);
return ret;
@@ -3738,8 +3731,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
#endif
char *orig_data = kstrdup(data, GFP_KERNEL);

lock_kernel();

/* Store the original options */
lock_super(sb);
old_sb_flags = sb->s_flags;
@@ -3874,7 +3865,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
kfree(old_opts.s_qf_names[i]);
#endif
unlock_super(sb);
unlock_kernel();
if (enable_quota)
dquot_resume(sb, -1);

@@ -3900,7 +3890,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
}
#endif
unlock_super(sb);
unlock_kernel();
kfree(orig_data);
return err;
}
5 fs/fat/inode.c
View file
@@ -14,7 +14,6 @@
#include <linux/init.h>
#include <linux/time.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/seq_file.h>
#include <linux/pagemap.h>
#include <linux/mpage.h>
@@ -489,8 +488,6 @@ static void fat_put_super(struct super_block *sb)
{
struct msdos_sb_info *sbi = MSDOS_SB(sb);

lock_kernel();

if (sb->s_dirt)
fat_write_super(sb);

@@ -504,8 +501,6 @@ static void fat_put_super(struct super_block *sb)

sb->s_fs_info = NULL;
kfree(sbi);

unlock_kernel();
}

static struct kmem_cache *fat_inode_cachep;
6 fs/fat/namei_msdos.c
View file
@@ -662,12 +662,16 @@ static int msdos_fill_super(struct super_block *sb, void *data, int silent)
{
int res;

lock_super(sb);
res = fat_fill_super(sb, data, silent, &msdos_dir_inode_operations, 0);
if (res)
if (res) {
unlock_super(sb);
return res;
}

sb->s_flags |= MS_NOATIME;
sb->s_root->d_op = &msdos_dentry_operations;
unlock_super(sb);
return 0;
}

6 fs/fat/namei_vfat.c
View file
@@ -1055,15 +1055,19 @@ static int vfat_fill_super(struct super_block *sb, void *data, int silent)
{
int res;

lock_super(sb);
res = fat_fill_super(sb, data, silent, &vfat_dir_inode_operations, 1);
if (res)
if (res) {
unlock_super(sb);
return res;
}

if (MSDOS_SB(sb)->options.name_check != 's')
sb->s_root->d_op = &vfat_ci_dentry_ops;
else
sb->s_root->d_op = &vfat_dentry_ops;

unlock_super(sb);
return 0;
}

14 fs/freevxfs/vxfs_lookup.c
View file
@@ -36,7 +36,6 @@
#include <linux/highmem.h>
#include <linux/kernel.h>
#include <linux/pagemap.h>
#include <linux/smp_lock.h>

#include "vxfs.h"
#include "vxfs_dir.h"
@@ -212,16 +211,12 @@ vxfs_lookup(struct inode *dip, struct dentry *dp, struct nameidata *nd)
if (dp->d_name.len > VXFS_NAMELEN)
return ERR_PTR(-ENAMETOOLONG);

lock_kernel();
ino = vxfs_inode_by_name(dip, dp);
if (ino) {
ip = vxfs_iget(dip->i_sb, ino);
if (IS_ERR(ip)) {
unlock_kernel();
if (IS_ERR(ip))
return ERR_CAST(ip);
}
}
unlock_kernel();
d_add(dp, ip);
return NULL;
}
@@ -248,8 +243,6 @@ vxfs_readdir(struct file *fp, void *retp, filldir_t filler)
u_long page, npages, block, pblocks, nblocks, offset;
loff_t pos;

lock_kernel();

switch ((long)fp->f_pos) {
case 0:
if (filler(retp, ".", 1, fp->f_pos, ip->i_ino, DT_DIR) < 0)
@@ -265,10 +258,8 @@ vxfs_readdir(struct file *fp, void *retp, filldir_t filler)

pos = fp->f_pos - 2;

if (pos > VXFS_DIRROUND(ip->i_size)) {
unlock_kernel();
if (pos > VXFS_DIRROUND(ip->i_size))
return 0;
}

npages = dir_pages(ip);
nblocks = dir_blocks(ip);
@@ -327,6 +318,5 @@ vxfs_readdir(struct file *fp, void *retp, filldir_t filler)
done:
fp->f_pos = ((page << PAGE_CACHE_SHIFT) | offset) + 2;
out:
unlock_kernel();
return 0;
}
7 fs/freevxfs/vxfs_super.c
View file
@@ -38,7 +38,6 @@
#include <linux/buffer_head.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/stat.h>
#include <linux/vfs.h>
#include <linux/mount.h>
@@ -81,16 +80,12 @@ vxfs_put_super(struct super_block *sbp)
{
struct vxfs_sb_info *infp = VXFS_SBI(sbp);

lock_kernel();

vxfs_put_fake_inode(infp->vsi_fship);
vxfs_put_fake_inode(infp->vsi_ilist);
vxfs_put_fake_inode(infp->vsi_stilist);

brelse(infp->vsi_bp);
kfree(infp);

unlock_kernel();
}

/**
@@ -148,7 +143,7 @@ static int vxfs_remount(struct super_block *sb, int *flags, char *data)
* The superblock on success, else %NULL.
*
* Locking:
* We are under the bkl and @sbp->s_lock.
* We are under @sbp->s_lock.
*/
static int vxfs_fill_super(struct super_block *sbp, void *dp, int silent)
{
2 fs/gfs2/file.c
View file
@@ -620,6 +620,8 @@ static ssize_t gfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
* cluster; until we do, disable leases (by just returning -EINVAL),
* unless the administrator has requested purely local locking.
*
* Locking: called under lock_flocks
*
* Returns: errno
*/

6 fs/hfs/super.c
View file
@@ -20,7 +20,6 @@
#include <linux/parser.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/vfs.h>

#include "hfs_fs.h"
@@ -79,15 +78,11 @@ static int hfs_sync_fs(struct super_block *sb, int wait)
*/
static void hfs_put_super(struct super_block *sb)
{
lock_kernel();

if (sb->s_dirt)
hfs_write_super(sb);
hfs_mdb_close(sb);
/* release the MDB's resources */
hfs_mdb_put(sb);

unlock_kernel();
}

/*
@@ -385,6 +380,7 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent)
sbi = kzalloc(sizeof(struct hfs_sb_info), GFP_KERNEL);
if (!sbi)
return -ENOMEM;

sb->s_fs_info = sbi;
INIT_HLIST_HEAD(&sbi->rsrc_inodes);

8 fs/hpfs/super.c
View file
@@ -477,11 +477,15 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)

int o;

lock_kernel();

save_mount_options(s, options);

sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
if (!sbi) {
unlock_kernel();
return -ENOMEM;
}
s->s_fs_info = sbi;

sbi->sb_bmp_dir = NULL;
@@ -666,6 +670,7 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
root->i_blocks = 5;
hpfs_brelse4(&qbh);
}
unlock_kernel();
return 0;

bail4: brelse(bh2);
@@ -677,6 +682,7 @@ bail2: brelse(bh0);
kfree(sbi->sb_cp_table);
s->s_fs_info = NULL;
kfree(sbi);
unlock_kernel();
return -EINVAL;
}

6 fs/isofs/dir.c
View file
@@ -10,7 +10,6 @@
*
* isofs directory handling functions
*/
#include <linux/smp_lock.h>
#include <linux/gfp.h>
#include "isofs.h"

@@ -255,18 +254,19 @@ static int isofs_readdir(struct file *filp,
char *tmpname;
struct iso_directory_record *tmpde;
struct inode *inode = filp->f_path.dentry->d_inode;
struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb);

tmpname = (char *)__get_free_page(GFP_KERNEL);
if (tmpname == NULL)
return -ENOMEM;

lock_kernel();
mutex_lock(&sbi->s_mutex);
tmpde = (struct iso_directory_record *) (tmpname+1024);

result = do_isofs_readdir(inode, filp, dirent, filldir, tmpname, tmpde);

free_page((unsigned long) tmpname);
unlock_kernel();
mutex_unlock(&sbi->s_mutex);
return result;
}

9 fs/isofs/inode.c
View file
@@ -17,7 +17,6 @@
#include <linux/slab.h>
#include <linux/nls.h>
#include <linux/ctype.h>
#include <linux/smp_lock.h>
#include <linux/statfs.h>
#include <linux/cdrom.h>
#include <linux/parser.h>
@@ -44,11 +43,7 @@ static void isofs_put_super(struct super_block *sb)
struct isofs_sb_info *sbi = ISOFS_SB(sb);

#ifdef CONFIG_JOLIET
lock_kernel();

unload_nls(sbi->s_nls_iocharset);

unlock_kernel();
#endif

kfree(sbi);
@@ -823,6 +818,7 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
sbi->s_utf8 = opt.utf8;
sbi->s_nocompress = opt.nocompress;
sbi->s_overriderockperm = opt.overriderockperm;
mutex_init(&sbi->s_mutex);
/*
* It would be incredibly stupid to allow people to mark every file
* on the disk as suid, so we merely allow them to set the default
@@ -977,8 +973,6 @@ int isofs_get_blocks(struct inode *inode, sector_t iblock_s,
int section, rv, error;
struct iso_inode_info *ei = ISOFS_I(inode);

lock_kernel();

error = -EIO;
rv = 0;
if (iblock < 0 || iblock != iblock_s) {
@@ -1054,7 +1048,6 @@ int isofs_get_blocks(struct inode *inode, sector_t iblock_s,

error = 0;
abort:
unlock_kernel();
return rv != 0 ? rv : error;
}

1 fs/isofs/isofs.h
View file
@@ -55,6 +55,7 @@ struct isofs_sb_info {
gid_t s_gid;
uid_t s_uid;
struct nls_table *s_nls_iocharset; /* Native language support table */
struct mutex s_mutex; /* replaces BKL, please remove if possible */
};

#define ISOFS_INVALID_MODE ((mode_t) -1)
8 fs/isofs/namei.c
View file
@@ -6,7 +6,6 @@
* (C) 1991 Linus Torvalds - minix filesystem
*/

#include <linux/smp_lock.h>
#include <linux/gfp.h>
#include "isofs.h"

@@ -168,6 +167,7 @@ struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nam
int found;
unsigned long uninitialized_var(block);
unsigned long uninitialized_var(offset);
struct isofs_sb_info *sbi = ISOFS_SB(dir->i_sb);
struct inode *inode;
struct page *page;

@@ -177,7 +177,7 @@ struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nam
if (!page)
return ERR_PTR(-ENOMEM);

lock_kernel();
mutex_lock(&sbi->s_mutex);
found = isofs_find_entry(dir, dentry,
&block, &offset,
page_address(page),
@@ -188,10 +188,10 @@ struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nam
if (found) {
inode = isofs_iget(dir->i_sb, block, offset);
if (IS_ERR(inode)) {
unlock_kernel();
mutex_unlock(&sbi->s_mutex);
return ERR_CAST(inode);
}
}
unlock_kernel();
mutex_unlock(&sbi->s_mutex);
return d_splice_alias(inode, dentry);
}
10 fs/isofs/rock.c
View file
@@ -8,7 +8,6 @@

#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/smp_lock.h>

#include "isofs.h"
#include "rock.h"
@@ -661,6 +660,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)
{
struct inode *inode = page->mapping->host;
struct iso_inode_info *ei = ISOFS_I(inode);
struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb);
char *link = kmap(page);
unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
struct buffer_head *bh;
@@ -673,12 +673,12 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)
struct rock_state rs;
int ret;

if (!ISOFS_SB(inode->i_sb)->s_rock)
if (!sbi->s_rock)
goto error;

init_rock_state(&rs, inode);
block = ei->i_iget5_block;
lock_kernel();
mutex_lock(&sbi->s_mutex);
bh = sb_bread(inode->i_sb, block);
if (!bh)
goto out_noread;
@@ -748,7 +748,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)
goto fail;
brelse(bh);
*rpnt = '\0';
unlock_kernel();
mutex_unlock(&sbi->s_mutex);
SetPageUptodate(page);
kunmap(page);
unlock_page(page);
@@ -765,7 +765,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)
printk("symlink spans iso9660 blocks\n");
fail:
brelse(bh);
unlock_kernel();
mutex_unlock(&sbi->s_mutex);
error:
SetPageError(page);
kunmap(page);
4 fs/jffs2/fs.c
View file
@@ -21,7 +21,6 @@
#include <linux/vmalloc.h>
#include <linux/vfs.h>
#include <linux/crc32.h>
#include <linux/smp_lock.h>
#include "nodelist.h"

static int jffs2_flash_setup(struct jffs2_sb_info *c);
@@ -391,7 +390,6 @@ int jffs2_remount_fs (struct super_block *sb, int *flags, char *data)
This also catches the case where it was stopped and this
is just a remount to restart it.
Flush the writebuffer, if neccecary, else we loose it */
lock_kernel();
if (!(sb->s_flags & MS_RDONLY)) {
jffs2_stop_garbage_collect_thread(c);
mutex_lock(&c->alloc_sem);
@@ -403,8 +401,6 @@ int jffs2_remount_fs (struct super_block *sb, int *flags, char *data)
jffs2_start_garbage_collect_thread(c);

*flags |= MS_NOATIME;

unlock_kernel();
return 0;
}

9 fs/jffs2/super.c
View file
@@ -12,7 +12,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/fs.h>
@@ -146,6 +145,7 @@ static const struct super_operations jffs2_super_operations =
static int jffs2_fill_super(struct super_block *sb, void *data, int silent)
{
struct jffs2_sb_info *c;
int ret;

D1(printk(KERN_DEBUG "jffs2_get_sb_mtd():"
" New superblock for device %d (\"%s\")\n",
@@ -175,7 +175,8 @@ static int jffs2_fill_super(struct super_block *sb, void *data, int silent)
#ifdef CONFIG_JFFS2_FS_POSIX_ACL
sb->s_flags |= MS_POSIXACL;
#endif
return jffs2_do_fill_super(sb, data, silent);
ret = jffs2_do_fill_super(sb, data, silent);
return ret;
}

static int jffs2_get_sb(struct file_system_type *fs_type,
@@ -192,8 +193,6 @@ static void jffs2_put_super (struct super_block *sb)

D2(printk(KERN_DEBUG "jffs2: jffs2_put_super()\n"));

lock_kernel();

if (sb->s_dirt)
jffs2_write_super(sb);

@@ -215,8 +214,6 @@ static void jffs2_put_super (struct super_block *sb)
if (c->mtd->sync)
c->mtd->sync(c->mtd);

unlock_kernel();

D1(printk(KERN_DEBUG "jffs2_put_super returning\n"));
}

23 fs/jfs/super.c
View file
@@ -33,7 +33,6 @@
#include <linux/slab.h>
#include <asm/uaccess.h>
#include <linux/seq_file.h>
#include <linux/smp_lock.h>

#include "jfs_incore.h"
#include "jfs_filsys.h"
@@ -176,8 +175,6 @@ static void jfs_put_super(struct super_block *sb)

dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);

lock_kernel();

rc = jfs_umount(sb);
if (rc)
jfs_err("jfs_umount failed with return code %d", rc);
@@ -188,8 +185,6 @@ static void jfs_put_super(struct super_block *sb)
iput(sbi->direct_inode);

kfree(sbi);

unlock_kernel();
}

enum {
@@ -369,19 +364,16 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
if (!parse_options(data, sb, &newLVSize, &flag)) {
return -EINVAL;
}
lock_kernel();

if (newLVSize) {
if (sb->s_flags & MS_RDONLY) {
printk(KERN_ERR
"JFS: resize requires volume to be mounted read-write\n");
unlock_kernel();
return -EROFS;
}
rc = jfs_extendfs(sb, newLVSize, 0);
if (rc) {
unlock_kernel();
if (rc)
return rc;
}
}

if ((sb->s_flags & MS_RDONLY) && !(*flags & MS_RDONLY)) {
@@ -397,36 +389,30 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
/* mark the fs r/w for quota activity */
sb->s_flags &= ~MS_RDONLY;

unlock_kernel();
dquot_resume(sb, -1);
return ret;
}
if ((!(sb->s_flags & MS_RDONLY)) && (*flags & MS_RDONLY)) {
rc = dquot_suspend(sb, -1);
if (rc < 0) {
unlock_kernel();
return rc;
}
rc = jfs_umount_rw(sb);
JFS_SBI(sb)->flag = flag;
unlock_kernel();
return rc;
}
if ((JFS_SBI(sb)->flag & JFS_NOINTEGRITY) != (flag & JFS_NOINTEGRITY))
if (!(sb->s_flags & MS_RDONLY)) {
rc = jfs_umount_rw(sb);
if (rc) {
unlock_kernel();
if (rc)
return rc;
}

JFS_SBI(sb)->flag = flag;
ret = jfs_mount_rw(sb, 1);
unlock_kernel();
return ret;
}
JFS_SBI(sb)->flag = flag;

unlock_kernel();
return 0;
}

@@ -446,6 +432,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
sbi = kzalloc(sizeof (struct jfs_sb_info), GFP_KERNEL);
if (!sbi)
return -ENOMEM;

sb->s_fs_info = sbi;
sbi->sb = sb;
sbi->uid = sbi->gid = sbi->umask = -1;
112 fs/locks.c
View file
@@ -143,6 +143,22 @@ int lease_break_time = 45;
static LIST_HEAD(file_lock_list);
static LIST_HEAD(blocked_list);

/*
* Protects the two list heads above, plus the inode->i_flock list
* FIXME: should use a spinlock, once lockd and ceph are ready.
*/
void lock_flocks(void)
{
lock_kernel();
}
EXPORT_SYMBOL_GPL(lock_flocks);

void unlock_flocks(void)
{
unlock_kernel();
}
EXPORT_SYMBOL_GPL(unlock_flocks);

static struct kmem_cache *filelock_cache __read_mostly;

/* Allocate an empty lock structure. */
@@ -511,9 +527,9 @@ static void __locks_delete_block(struct file_lock *waiter)
*/
static void locks_delete_block(struct file_lock *waiter)
{
lock_kernel();
lock_flocks();
__locks_delete_block(waiter);
unlock_kernel();
unlock_flocks();
}

/* Insert waiter into blocker's block list.
@@ -644,7 +660,7 @@ posix_test_lock(struct file *filp, struct file_lock *fl)
{
struct file_lock *cfl;

lock_kernel();
lock_flocks();
for (cfl = filp->f_path.dentry->d_inode->i_flock; cfl; cfl = cfl->fl_next) {
if (!IS_POSIX(cfl))
continue;
@@ -657,7 +673,7 @@ posix_test_lock(struct file *filp, struct file_lock *fl)
fl->fl_pid = pid_vnr(cfl->fl_nspid);
} else
fl->fl_type = F_UNLCK;
unlock_kernel();
unlock_flocks();
return;
}
EXPORT_SYMBOL(posix_test_lock);
@@ -730,18 +746,16 @@ static int flock_lock_file(struct file *filp, struct file_lock *request)
int error = 0;
int found = 0;

lock_kernel();
if (request->fl_flags & FL_ACCESS)
goto find_conflict;

if (request->fl_type != F_UNLCK) {
error = -ENOMEM;
if (!(request->fl_flags & FL_ACCESS) && (request->fl_type != F_UNLCK)) {
new_fl = locks_alloc_lock();
if (new_fl == NULL)
goto out;
error = 0;
if (!new_fl)
return -ENOMEM;
}

lock_flocks();
if (request->fl_flags & FL_ACCESS)
goto find_conflict;

for_each_lock(inode, before) {
struct file_lock *fl = *before;
if (IS_POSIX(fl))
@@ -767,8 +781,11 @@ static int flock_lock_file(struct file *filp, struct file_lock *request)
* If a higher-priority process was blocked on the old file lock,
* give it the opportunity to lock the file.
*/
if (found)
if (found) {
unlock_flocks();
cond_resched();
lock_flocks();
}

find_conflict:
for_each_lock(inode, before) {
@@ -794,7 +811,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request)
error = 0;

out:
unlock_kernel();
unlock_flocks();
if (new_fl)
locks_free_lock(new_fl);
return error;
@@ -823,7 +840,7 @@ static int __posix_lock_file(struct inode *inode, struct file_lock *request, str
new_fl2 = locks_alloc_lock();
}

lock_kernel();
lock_flocks();
if (request->fl_type != F_UNLCK) {
for_each_lock(inode, before) {
fl = *before;
@@ -991,7 +1008,7 @@ static int __posix_lock_file(struct inode *inode, struct file_lock *request, str
locks_wake_up_blocks(left);
}
out:
unlock_kernel();
unlock_flocks();
/*
* Free any unused locks.
*/
@@ -1066,14 +1083,14 @@ int locks_mandatory_locked(struct inode *inode)
/*
* Search the lock list for this inode for any POSIX locks.
*/
lock_kernel();
lock_flocks();
for (fl = inode->i_flock; fl != NULL; fl = fl->fl_next) {
if (!IS_POSIX(fl))
continue;
if (fl->fl_owner != owner)
break;
}
unlock_kernel();
unlock_flocks();
return fl ? -EAGAIN : 0;
}

@@ -1186,7 +1203,7 @@ int __break_lease(struct inode *inode, unsigned int mode)

new_fl = lease_alloc(NULL, want_write ? F_WRLCK : F_RDLCK);

lock_kernel();
lock_flocks();

time_out_leases(inode);

@@ -1247,8 +1264,10 @@ int __break_lease(struct inode *inode, unsigned int mode)
break_time++;
}
locks_insert_block(flock, new_fl);
unlock_flocks();
error = wait_event_interruptible_timeout(new_fl->fl_wait,
!new_fl->fl_next, break_time);
lock_flocks();
__locks_delete_block(new_fl);
if (error >= 0) {
if (error == 0)
@@ -1263,7 +1282,7 @@ int __break_lease(struct inode *inode, unsigned int mode)
}

out:
unlock_kernel();
unlock_flocks();
if (!IS_ERR(new_fl))
locks_free_lock(new_fl);
return error;
@@ -1319,7 +1338,7 @@ int fcntl_getlease(struct file *filp)
struct file_lock *fl;
int type = F_UNLCK;

lock_kernel();
lock_flocks();
time_out_leases(filp->f_path.dentry->d_inode);
for (fl = filp->f_path.dentry->d_inode->i_flock; fl && IS_LEASE(fl);
fl = fl->fl_next) {
@@ -1328,7 +1347,7 @@ int fcntl_getlease(struct file *filp)
break;
}
}
unlock_kernel();
unlock_flocks();
return type;
}

@@ -1341,7 +1360,7 @@ int fcntl_getlease(struct file *filp)
* The (input) flp->fl_lmops->fl_break function is required
* by break_lease().
*
* Called with kernel lock held.
* Called with file_lock_lock held.
*/
int generic_setlease(struct file *filp, long arg, struct file_lock **flp)
{
@@ -1436,7 +1455,15 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp)
}
EXPORT_SYMBOL(generic_setlease);

/**
static int __vfs_setlease(struct file *filp, long arg, struct file_lock **lease)
{
if (filp->f_op && filp->f_op->setlease)
return filp->f_op->setlease(filp, arg, lease);
else
return generic_setlease(filp, arg, lease);
}

/**
* vfs_setlease - sets a lease on an open file
* @filp: file pointer
* @arg: type of lease to obtain
@@ -1467,12 +1494,9 @@ int vfs_setlease(struct file *filp, long arg, struct file_lock **lease)
{
int error;

lock_kernel();
if (filp->f_op && filp->f_op->setlease)
error = filp->f_op->setlease(filp, arg, lease);
else
error = generic_setlease(filp, arg, lease);
unlock_kernel();
lock_flocks();
error = __vfs_setlease(filp, arg, lease);
unlock_flocks();

return error;
}
@@ -1499,9 +1523,9 @@ int fcntl_setlease(unsigned int fd, struct file *filp, long arg)
if (error)
return error;

lock_kernel();
lock_flocks();

error = vfs_setlease(filp, arg, &flp);
error = __vfs_setlease(filp, arg, &flp);
if (error || arg == F_UNLCK)
goto out_unlock;

@@ -1516,7 +1540,7 @@ int fcntl_setlease(unsigned int fd, struct file *filp, long arg)

error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0);
out_unlock:
unlock_kernel();
unlock_flocks();
return error;
}

@@ -2020,7 +2044,7 @@ void locks_remove_flock(struct file *filp)
fl.fl_ops->fl_release_private(&fl);
}

lock_kernel();
lock_flocks();
before = &inode->i_flock;

while ((fl = *before) != NULL) {
@@ -2038,7 +2062,7 @@ void locks_remove_flock(struct file *filp)
}
before = &fl->fl_next;
}
unlock_kernel();
unlock_flocks();
}

/**
@@ -2053,12 +2077,12 @@ posix_unblock_lock(struct file *filp, struct file_lock *waiter)
{
int status = 0;

lock_kernel();
lock_flocks();
if (waiter->fl_next)
__locks_delete_block(waiter);
else
status = -ENOENT;
unlock_kernel();
unlock_flocks();
return status;
}

@@ -2172,7 +2196,7 @@ static int locks_show(struct seq_file *f, void *v)

static void *locks_start(struct seq_file *f, loff_t *pos)
{
lock_kernel();
lock_flocks();
f->private = (void *)1;
return seq_list_start(&file_lock_list, *pos);
}
@@ -2184,7 +2208,7 @@ static void *locks_next(struct seq_file *f, void *v, loff_t *pos)

static void locks_stop(struct seq_file *f, void *v)
{
unlock_kernel();
unlock_flocks();
}

static const struct seq_operations locks_seq_operations = {
@@ -2231,7 +2255,7 @@ int lock_may_read(struct inode *inode, loff_t start, unsigned long len)
{
struct file_lock *fl;
int result = 1;
lock_kernel();
lock_flocks();
for (fl = inode->i_flock; fl != NULL; fl = fl->fl_next) {
if (IS_POSIX(fl)) {
if (fl->fl_type == F_RDLCK)
@@ -2248,7 +2272,7 @@ int lock_may_read(struct inode *inode, loff_t start, unsigned long len)
result = 0;
break;
}
unlock_kernel();
unlock_flocks();
return result;
}

@@ -2271,7 +2295,7 @@ int lock_may_write(struct inode *inode, loff_t start, unsigned long len)
{
struct file_lock *fl;
int result = 1;
lock_kernel();
lock_flocks();
for (fl = inode->i_flock; fl != NULL; fl = fl->fl_next) {
if (IS_POSIX(fl)) {
if ((fl->fl_end < start) || (fl->fl_start > (start + len)))
@@ -2286,7 +2310,7 @@ int lock_may_write(struct inode *inode, loff_t start, unsigned long len)
result = 0;
break;
}
unlock_kernel();
unlock_flocks();
return result;
}

2 fs/namespace.c
View file
@@ -1744,9 +1744,7 @@ static int do_new_mount(struct path *path, char *type, int flags,
if (!capable(CAP_SYS_ADMIN))
return -EPERM;

lock_kernel();
mnt = do_kern_mount(type, flags, name, data);
unlock_kernel();
if (IS_ERR(mnt))
return PTR_ERR(mnt);

221 fs/ncpfs/dir.c
View file

Large diffs are not rendered by default.

25 fs/ncpfs/file.c
View file
@@ -113,9 +113,6 @@ ncp_file_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
DPRINTK("ncp_file_read: enter %s/%s\n",
dentry->d_parent->d_name.name, dentry->d_name.name);

if (!ncp_conn_valid(NCP_SERVER(inode)))
return -EIO;

pos = *ppos;

if ((ssize_t) count < 0) {
@@ -192,13 +189,11 @@ ncp_file_write(struct file *file, const char __user *buf, size_t count, loff_t *

DPRINTK("ncp_file_write: enter %s/%s\n",
dentry->d_parent->d_name.name, dentry->d_name.name);
if (!ncp_conn_valid(NCP_SERVER(inode)))
return -EIO;
if ((ssize_t) count < 0)
return -EINVAL;
pos = *ppos;
if (file->f_flags & O_APPEND) {
pos = inode->i_size;
pos = i_size_read(inode);
}

if (pos + count > MAX_NON_LFS && !(file->f_flags&O_LARGEFILE)) {
@@ -264,8 +259,11 @@ ncp_file_write(struct file *file, const char __user *buf, size_t count, loff_t *

*ppos = pos;

if (pos > inode->i_size) {
inode->i_size = pos;
if (pos > i_size_read(inode)) {
mutex_lock(&inode->i_mutex);
if (pos > i_size_read(inode))
i_size_write(inode, pos);
mutex_unlock(&inode->i_mutex);
}
DPRINTK("ncp_file_write: exit %s/%s\n",
dentry->d_parent->d_name.name, dentry->d_name.name);
@@ -281,18 +279,9 @@ static int ncp_release(struct inode *inode, struct file *file) {
return 0;
}

static loff_t ncp_remote_llseek(struct file *file, loff_t offset, int origin)
{
loff_t ret;
lock_kernel();
ret = generic_file_llseek_unlocked(file, offset, origin);
unlock_kernel();
return ret;
}

const struct file_operations ncp_file_operations =
{
.llseek = ncp_remote_llseek,
.llseek = generic_file_llseek,
.read = ncp_file_read,
.write = ncp_file_write,
.unlocked_ioctl = ncp_ioctl,
55 fs/ncpfs/inode.c
View file
@@ -139,7 +139,7 @@ static void ncp_update_dates(struct inode *inode, struct nw_info_struct *nwi)
inode->i_mode = nwi->nfs.mode;
}

inode->i_blocks = (inode->i_size + NCP_BLOCK_SIZE - 1) >> NCP_BLOCK_SHIFT;
inode->i_blocks = (i_size_read(inode) + NCP_BLOCK_SIZE - 1) >> NCP_BLOCK_SHIFT;

inode->i_mtime.tv_sec = ncp_date_dos2unix(nwi->modifyTime, nwi->modifyDate);
inode->i_ctime.tv_sec = ncp_date_dos2unix(nwi->creationTime, nwi->creationDate);
@@ -158,18 +158,21 @@ static void ncp_update_attrs(struct inode *inode, struct ncp_entry_info *nwinfo)
inode->i_mode = server->m.dir_mode;
/* for directories dataStreamSize seems to be some
Object ID ??? */
inode->i_size = NCP_BLOCK_SIZE;
i_size_write(inode, NCP_BLOCK_SIZE);
} else {
u32 size;

inode->i_mode = server->m.file_mode;
inode->i_size = le32_to_cpu(nwi->dataStreamSize);
size = le32_to_cpu(nwi->dataStreamSize);
i_size_write(inode, size);
#ifdef CONFIG_NCPFS_EXTRAS
if ((server->m.flags & (NCP_MOUNT_EXTRAS|NCP_MOUNT_SYMLINKS))
&& (nwi->attributes & aSHARED)) {
switch (nwi->attributes & (aHIDDEN|aSYSTEM)) {
case aHIDDEN:
if (server->m.flags & NCP_MOUNT_SYMLINKS) {
if (/* (inode->i_size >= NCP_MIN_SYMLINK_SIZE)
&& */ (inode->i_size <= NCP_MAX_SYMLINK_SIZE)) {
if (/* (size >= NCP_MIN_SYMLINK_SIZE)
&& */ (size <= NCP_MAX_SYMLINK_SIZE)) {
inode->i_mode = (inode->i_mode & ~S_IFMT) | S_IFLNK;
NCP_FINFO(inode)->flags |= NCPI_KLUDGE_SYMLINK;
break;
@@ -208,7 +211,7 @@ void ncp_update_inode2(struct inode* inode, struct ncp_entry_info *nwinfo)
}

/*
* Fill in the inode based on the ncp_entry_info structure.
* Fill in the inode based on the ncp_entry_info structure. Used only for brand new inodes.
*/
static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo)
{
@@ -254,6 +257,7 @@ ncp_iget(struct super_block *sb, struct ncp_entry_info *info)
if (inode) {
atomic_set(&NCP_FINFO(inode)->opened, info->opened);

inode->i_mapping->backing_dev_info = sb->s_bdi;
inode->i_ino = info->ino;
ncp_set_attr(inode, info);
if (S_ISREG(inode->i_mode)) {
@@ -299,10 +303,12 @@ ncp_evict_inode(struct inode *inode)

static void ncp_stop_tasks(struct ncp_server *server) {
struct sock* sk = server->ncp_sock->sk;


lock_sock(sk);
sk->sk_error_report = server->error_report;
sk->sk_data_ready = server->data_ready;
sk->sk_write_space = server->write_space;
release_sock(sk);
del_timer_sync(&server->timeout_tm);
flush_scheduled_work();
}
@@ -565,10 +571,12 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
/* server->conn_status = 0; */
/* server->root_dentry = NULL; */
/* server->root_setuped = 0; */
mutex_init(&server->root_setup_lock);
#ifdef CONFIG_NCPFS_PACKET_SIGNING
/* server->sign_wanted = 0; */
/* server->sign_active = 0; */
#endif
init_rwsem(&server->auth_rwsem);
server->auth.auth_type = NCP_AUTH_NONE;
/* server->auth.object_name_len = 0; */
/* server->auth.object_name = NULL; */
@@ -593,16 +601,12 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
server->nls_io = load_nls_default();
#endif /* CONFIG_NCPFS_NLS */

server->dentry_ttl = 0; /* no caching */
atomic_set(&server->dentry_ttl, 0); /* no caching */

INIT_LIST_HEAD(&server->tx.requests);
mutex_init(&server->rcv.creq_mutex);
server->tx.creq = NULL;
server->rcv.creq = NULL;
server->data_ready = sock->sk->sk_data_ready;
server->write_space = sock->sk->sk_write_space;
server->error_report = sock->sk->sk_error_report;
sock->sk->sk_user_data = server;

init_timer(&server->timeout_tm);
#undef NCP_PACKET_SIZE
@@ -619,6 +623,11 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
if (server->rxbuf == NULL)
goto out_txbuf;

lock_sock(sock->sk);
server->data_ready = sock->sk->sk_data_ready;
server->write_space = sock->sk->sk_write_space;
server->error_report = sock->sk->sk_error_report;
sock->sk->sk_user_data = server;
sock->sk->sk_data_ready = ncp_tcp_data_ready;
sock->sk->sk_error_report = ncp_tcp_error_report;
if (sock->type == SOCK_STREAM) {
@@ -634,6 +643,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
server->timeout_tm.data = (unsigned long)server;
server->timeout_tm.function = ncpdgram_timeout_call;
}
release_sock(sock->sk);

ncp_lock_server(server);
error = ncp_connect(server);
@@ -658,8 +668,10 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
goto out_disconnect;
}
}
ncp_lock_server(server);
if (options & 2)
server->sign_wanted = 1;
ncp_unlock_server(server);
}
else
#endif /* CONFIG_NCPFS_PACKET_SIGNING */
@@ -720,6 +732,9 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
unload_nls(server->nls_io);
unload_nls(server->nls_vol);
#endif
mutex_destroy(&server->rcv.creq_mutex);
mutex_destroy(&server->root_setup_lock);
mutex_destroy(&server->mutex);
out_fput2:
if (server->info_filp)
fput(server->info_filp);
@@ -743,8 +758,6 @@ static void ncp_put_super(struct super_block *sb)
{
struct ncp_server *server = NCP_SBP(sb);

lock_kernel();

ncp_lock_server(server);
ncp_disconnect(server);
ncp_unlock_server(server);
@@ -756,6 +769,9 @@ static void ncp_put_super(struct super_block *sb)
unload_nls(server->nls_vol);
unload_nls(server->nls_io);
#endif /* CONFIG_NCPFS_NLS */
mutex_destroy(&server->rcv.creq_mutex);
mutex_destroy(&server->root_setup_lock);
mutex_destroy(&server->mutex);

if (server->info_filp)
fput(server->info_filp);
@@ -771,8 +787,6 @@ static void ncp_put_super(struct super_block *sb)
vfree(server->packet);
sb->s_fs_info = NULL;
kfree(server);

unlock_kernel();
}

static int ncp_statfs(struct dentry *dentry, struct kstatfs *buf)
@@ -851,10 +865,8 @@ int ncp_notify_change(struct dentry *dentry, struct iattr *attr)

result = -EIO;

lock_kernel();

server = NCP_SERVER(inode);
if ((!server) || !ncp_conn_valid(server))
if (!server) /* How this could happen? */
goto out;

/* ageing the dentry to force validation */
@@ -981,8 +993,6 @@ int ncp_notify_change(struct dentry *dentry, struct iattr *attr)
result = ncp_modify_file_or_subdir_dos_info(NCP_SERVER(inode),
inode, info_mask, &info);
if (result != 0) {
result = -EACCES;

if (info_mask == (DM_CREATE_TIME | DM_CREATE_DATE)) {
/* NetWare seems not to allow this. I
do not know why. So, just tell the
@@ -1005,7 +1015,8 @@ int ncp_notify_change(struct dentry *dentry, struct iattr *attr)
mark_inode_dirty(inode);

out:
unlock_kernel();
if (result > 0)
result = -EACCES;
return result;
}

470 fs/ncpfs/ioctl.c
View file

Large diffs are not rendered by default.

101 fs/ncpfs/ncplib_kernel.c
View file
@@ -107,17 +107,17 @@ ncp_reply_data(struct ncp_server *server, int offset)
return &(server->packet[sizeof(struct ncp_reply_header) + offset]);
}

static inline u8 BVAL(void *data)
static inline u8 BVAL(const void *data)
{
return *(u8 *)data;
return *(const u8 *)data;
}

static u8 ncp_reply_byte(struct ncp_server *server, int offset)
{
return *(u8 *)ncp_reply_data(server, offset);
return *(const u8 *)ncp_reply_data(server, offset);
}

static inline u16 WVAL_LH(void *data)
static inline u16 WVAL_LH(const void *data)
{
return get_unaligned_le16(data);
}
@@ -134,7 +134,7 @@ ncp_reply_be16(struct ncp_server *server, int offset)
return get_unaligned_be16(ncp_reply_data(server, offset));
}

static inline u32 DVAL_LH(void *data)
static inline u32 DVAL_LH(const void *data)
{
return get_unaligned_le32(data);
}
@@ -349,9 +349,9 @@ int ncp_dirhandle_free(struct ncp_server* server, __u8 dirhandle) {
return result;
}

void ncp_extract_file_info(void *structure, struct nw_info_struct *target)
void ncp_extract_file_info(const void *structure, struct nw_info_struct *target)
{
__u8 *name_len;
const __u8 *name_len;
const int info_struct_size = offsetof(struct nw_info_struct, nameLen);

memcpy(target, structure, info_struct_size);
@@ -364,7 +364,7 @@ void ncp_extract_file_info(void *structure, struct nw_info_struct *target)
}

#ifdef CONFIG_NCPFS_NFS_NS
static inline void ncp_extract_nfs_info(unsigned char *structure,
static inline void ncp_extract_nfs_info(const unsigned char *structure,
struct nw_nfs_info *target)
{
target->mode = DVAL_LH(structure);
@@ -417,7 +417,7 @@ int ncp_obtain_nfs_info(struct ncp_server *server,
* Returns information for a (one-component) name relative to
* the specified directory.
*/
int ncp_obtain_info(struct ncp_server *server, struct inode *dir, char *path,
int ncp_obtain_info(struct ncp_server *server, struct inode *dir, const char *path,
struct nw_info_struct *target)
{
__u8 volnum = NCP_FINFO(dir)->volNumber;
@@ -452,16 +452,16 @@ int ncp_obtain_info(struct ncp_server *server, struct inode *dir, char *path,
#ifdef CONFIG_NCPFS_NFS_NS
static int
ncp_obtain_DOS_dir_base(struct ncp_server *server,
__u8 volnum, __le32 dirent,
char *path, /* At most 1 component */
__u8 ns, __u8 volnum, __le32 dirent,
const char *path, /* At most 1 component */
__le32 *DOS_dir_base)
{
int result;

ncp_init_request(server);
ncp_add_byte(server, 6); /* subfunction */
ncp_add_byte(server, server->name_space[volnum]);
ncp_add_byte(server, server->name_space[volnum]);
ncp_add_byte(server, ns);
ncp_add_byte(server, ns);
ncp_add_word(server, cpu_to_le16(0x8006)); /* get all */
ncp_add_dword(server, RIM_DIRECTORY);
ncp_add_handle_path(server, volnum, dirent, 1, path);
@@ -523,10 +523,27 @@ ncp_get_known_namespace(struct ncp_server *server, __u8 volume)
#endif /* defined(CONFIG_NCPFS_OS2_NS) || defined(CONFIG_NCPFS_NFS_NS) */
}

int
ncp_update_known_namespace(struct ncp_server *server, __u8 volume, int *ret_ns)
{
int ns = ncp_get_known_namespace(server, volume);

if (ret_ns)
*ret_ns = ns;

DPRINTK("lookup_vol: namespace[%d] = %d\n",
volume, server->name_space[volume]);

if (server->name_space[volume] == ns)
return 0;
server->name_space[volume] = ns;
return 1;
}

static int
ncp_ObtainSpecificDirBase(struct ncp_server *server,
__u8 nsSrc, __u8 nsDst, __u8 vol_num, __le32 dir_base,
char *path, /* At most 1 component */
const char *path, /* At most 1 component */
__le32 *dirEntNum, __le32 *DosDirNum)
{
int result;
@@ -560,26 +577,24 @@ ncp_mount_subdir(struct ncp_server *server,
{
int dstNS;
int result;
dstNS = ncp_get_known_namespace(server, volNumber);

ncp_update_known_namespace(server, volNumber, &dstNS);
if ((result = ncp_ObtainSpecificDirBase(server, srcNS, dstNS, volNumber,
dirEntNum, NULL, newDirEnt, newDosEnt)) != 0)
{
return result;
}
server->name_space[volNumber] = dstNS;
*volume = volNumber;
server->m.mounted_vol[1] = 0;
server->m.mounted_vol[0] = 'X';
return 0;
}

int
ncp_get_volume_root(struct ncp_server *server, const char *volname,
__u32* volume, __le32* dirent, __le32* dosdirent)
ncp_get_volume_root(struct ncp_server *server,
const char *volname, __u32* volume, __le32* dirent, __le32* dosdirent)
{
int result;
__u8 volnum;

DPRINTK("ncp_get_volume_root: looking up vol %s\n", volname);

@@ -601,21 +616,14 @@ ncp_get_volume_root(struct ncp_server *server, const char *volname,
return result;
}
*dirent = *dosdirent = ncp_reply_dword(server, 4);
volnum = ncp_reply_byte(server, 8);
*volume = ncp_reply_byte(server, 8);
ncp_unlock_server(server);
*volume = volnum;

server->name_space[volnum] = ncp_get_known_namespace(server, volnum);

DPRINTK("lookup_vol: namespace[%d] = %d\n",
volnum, server->name_space[volnum]);

return 0;
}

int
ncp_lookup_volume(struct ncp_server *server, const char *volname,
struct nw_info_struct *target)
ncp_lookup_volume(struct ncp_server *server,
const char *volname, struct nw_info_struct *target)
{
int result;

@@ -625,6 +633,7 @@ ncp_lookup_volume(struct ncp_server *server, const char *volname,
if (result) {
return result;
}
ncp_update_known_namespace(server, target->volNumber, NULL);
target->nameLen = strlen(volname);
memcpy(target->entryName, volname, target->nameLen+1);
target->attributes = aDIR;
@@ -676,8 +685,8 @@ int ncp_modify_nfs_info(struct ncp_server *server, __u8 volnum, __le32 dirent,
{
int result = 0;

ncp_init_request(server);
if (server->name_space[volnum] == NW_NS_NFS) {
ncp_init_request(server);
ncp_add_byte(server, 25); /* subfunction */
ncp_add_byte(server, server->name_space[volnum]);
ncp_add_byte(server, NW_NS_NFS);
@@ -690,8 +699,8 @@ int ncp_modify_nfs_info(struct ncp_server *server, __u8 volnum, __le32 dirent,
ncp_add_dword_lh(server, 1); /* nlinks */
ncp_add_dword_lh(server, rdev);
result = ncp_request(server, 87);
ncp_unlock_server(server);
}
ncp_unlock_server(server);
return result;
}
#endif
@@ -700,7 +709,7 @@ int ncp_modify_nfs_info(struct ncp_server *server, __u8 volnum, __le32 dirent,
static int
ncp_DeleteNSEntry(struct ncp_server *server,
__u8 have_dir_base, __u8 volnum, __le32 dirent,
char* name, __u8 ns, __le16 attr)
const char* name, __u8 ns, __le16 attr)
{
int result;

@@ -734,23 +743,25 @@ ncp_del_file_or_subdir2(struct ncp_server *server,

int
ncp_del_file_or_subdir(struct ncp_server *server,
struct inode *dir, char *name)
struct inode *dir, const char *name)
{
__u8 volnum = NCP_FINFO(dir)->volNumber;
__le32 dirent = NCP_FINFO(dir)->dirEntNum;
int name_space;

name_space = server->name_space[volnum];
#ifdef CONFIG_NCPFS_NFS_NS
if (server->name_space[volnum]==NW_NS_NFS)
if (name_space == NW_NS_NFS)
{
int result;

result=ncp_obtain_DOS_dir_base(server, volnum, dirent, name, &dirent);
result=ncp_obtain_DOS_dir_base(server, name_space, volnum, dirent, name, &dirent);
if (result) return result;
return ncp_DeleteNSEntry(server, 1, volnum, dirent, NULL, NW_NS_DOS, cpu_to_le16(0x8006));
name = NULL;
name_space = NW_NS_DOS;
}
else
#endif /* CONFIG_NCPFS_NFS_NS */
return ncp_DeleteNSEntry(server, 1, volnum, dirent, name, server->name_space[volnum], cpu_to_le16(0x8006));
return ncp_DeleteNSEntry(server, 1, volnum, dirent, name, name_space, cpu_to_le16(0x8006));
}

static inline void ConvertToNWfromDWORD(__u16 v0, __u16 v1, __u8 ret[6])
@@ -765,7 +776,7 @@ static inline void ConvertToNWfromDWORD(__u16 v0, __u16 v1, __u8 ret[6])
/* If both dir and name are NULL, then in target there's already a
looked-up entry that wants to be opened. */
int ncp_open_create_file_or_subdir(struct ncp_server *server,
struct inode *dir, char *name,
struct inode *dir, const char *name,
int open_create_mode,
__le32 create_attributes,
__le16 desired_acc_rights,
@@ -890,8 +901,8 @@ int ncp_search_for_fileset(struct ncp_server *server,

static int
ncp_RenameNSEntry(struct ncp_server *server,
struct inode *old_dir, char *old_name, __le16 old_type,
struct inode *new_dir, char *new_name)
struct inode *old_dir, const char *old_name, __le16 old_type,
struct inode *new_dir, const char *new_name)
{
int result = -EINVAL;

@@ -929,8 +940,8 @@ ncp_RenameNSEntry(struct ncp_server *server,
}

int ncp_ren_or_mov_file_or_subdir(struct ncp_server *server,
struct inode *old_dir, char *old_name,
struct inode *new_dir, char *new_name)
struct inode *old_dir, const char *old_name,
struct inode *new_dir, const char *new_name)
{
int result;
__le16 old_type = cpu_to_le16(0x06);
@@ -958,7 +969,7 @@ int
ncp_read_kernel(struct ncp_server *server, const char *file_id,
__u32 offset, __u16 to_read, char *target, int *bytes_read)
{
char *source;
const char *source;
int result;

ncp_init_request(server);
15 fs/ncpfs/ncplib_kernel.h
View file
@@ -65,10 +65,11 @@ static inline void ncp_inode_close(struct inode *inode) {
atomic_dec(&NCP_FINFO(inode)->opened);
}

void ncp_extract_file_info(void* src, struct nw_info_struct* target);
int ncp_obtain_info(struct ncp_server *server, struct inode *, char *,
void ncp_extract_file_info(const void* src, struct nw_info_struct* target);
int ncp_obtain_info(struct ncp_server *server, struct inode *, const char *,
struct nw_info_struct *target);
int ncp_obtain_nfs_info(struct ncp_server *server, struct nw_info_struct *target);
int ncp_update_known_namespace(struct ncp_server *server, __u8 volume, int *ret_ns);
int ncp_get_volume_root(struct ncp_server *server, const char *volname,
__u32 *volume, __le32 *dirent, __le32 *dosdirent);
int ncp_lookup_volume(struct ncp_server *, const char *, struct nw_info_struct *);
@@ -80,8 +81,8 @@ int ncp_modify_nfs_info(struct ncp_server *, __u8 volnum, __le32 dirent,
__u32 mode, __u32 rdev);

int ncp_del_file_or_subdir2(struct ncp_server *, struct dentry*);
int ncp_del_file_or_subdir(struct ncp_server *, struct inode *, char *);
int ncp_open_create_file_or_subdir(struct ncp_server *, struct inode *, char *,
int ncp_del_file_or_subdir(struct ncp_server *, struct inode *, const char *);
int ncp_open_create_file_or_subdir(struct ncp_server *, struct inode *, const char *,
int, __le32, __le16, struct ncp_entry_info *);

int ncp_initialize_search(struct ncp_server *, struct inode *,
@@ -93,7 +94,7 @@ int ncp_search_for_fileset(struct ncp_server *server,
char** rbuf, size_t* rsize);

int ncp_ren_or_mov_file_or_subdir(struct ncp_server *server,
struct inode *, char *, struct inode *, char *);
struct inode *, const char *, struct inode *, const char *);


int
@@ -170,13 +171,13 @@ static inline int ncp_strnicmp(struct nls_table *t, const unsigned char *s1,
#endif /* CONFIG_NCPFS_NLS */

#define NCP_GET_AGE(dentry) (jiffies - (dentry)->d_time)
#define NCP_MAX_AGE(server) ((server)->dentry_ttl)
#define NCP_MAX_AGE(server) atomic_read(&(server)->dentry_ttl)
#define NCP_TEST_AGE(server,dentry) (NCP_GET_AGE(dentry) < NCP_MAX_AGE(server))

static inline void
ncp_age_dentry(struct ncp_server* server, struct dentry* dentry)
{
dentry->d_time = jiffies - server->dentry_ttl;
dentry->d_time = jiffies - NCP_MAX_AGE(server);
}

static inline void
10 fs/ncpfs/ncpsign_kernel.c
View file
@@ -15,21 +15,21 @@

/* i386: 32-bit, little endian, handles mis-alignment */
#ifdef __i386__
#define GET_LE32(p) (*(int *)(p))
#define GET_LE32(p) (*(const int *)(p))
#define PUT_LE32(p,v) { *(int *)(p)=v; }
#else
/* from include/ncplib.h */
#define BVAL(buf,pos) (((__u8 *)(buf))[pos])
#define BVAL(buf,pos) (((const __u8 *)(buf))[pos])
#define PVAL(buf,pos) ((unsigned)BVAL(buf,pos))
#define BSET(buf,pos,val) (BVAL(buf,pos) = (val))
#define BSET(buf,pos,val) (((__u8 *)(buf))[pos] = (val))

static inline __u16
WVAL_LH(__u8 * buf, int pos)
WVAL_LH(const __u8 * buf, int pos)
{
return PVAL(buf, pos) | PVAL(buf, pos + 1) << 8;
}
static inline __u32
DVAL_LH(__u8 * buf, int pos)
DVAL_LH(const __u8 * buf, int pos)
{
return WVAL_LH(buf, pos) | WVAL_LH(buf, pos + 2) << 16;
}
1 fs/ncpfs/sock.c
View file
@@ -746,7 +746,6 @@ static int ncp_do_request(struct ncp_server *server, int size,
return -EIO;
}
if (!ncp_conn_valid(server)) {
printk(KERN_ERR "ncpfs: Connection invalid!\n");
return -EIO;
}
{
10 fs/nfs/delegation.c
View file
@@ -71,20 +71,20 @@ static int nfs_delegation_claim_locks(struct nfs_open_context *ctx, struct nfs4_
if (inode->i_flock == NULL)
goto out;

/* Protect inode->i_flock using the BKL */
lock_kernel();
/* Protect inode->i_flock using the file locks lock */
lock_flocks();
for (fl = inode->i_flock; fl != NULL; fl = fl->fl_next) {
if (!(fl->fl_flags & (FL_POSIX|FL_FLOCK)))
continue;
if (nfs_file_open_context(fl->fl_file) != ctx)
continue;
unlock_kernel();
unlock_flocks();
status = nfs4_lock_delegation_recall(state, fl);
if (status < 0)
goto out;
lock_kernel();
lock_flocks();
}
unlock_kernel();
unlock_flocks();
out:
return status;
}
10 fs/nfs/nfs4state.c
View file
@@ -40,7 +40,7 @@

#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/fs.h>
#include <linux/nfs_fs.h>
#include <linux/nfs_idmap.h>
#include <linux/kthread.h>
@@ -970,13 +970,13 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_
/* Guard against delegation returns and new lock/unlock calls */
down_write(&nfsi->rwsem);
/* Protect inode->i_flock using the BKL */
lock_kernel();
lock_flocks();
for (fl = inode->i_flock; fl != NULL; fl = fl->fl_next) {
if (!(fl->fl_flags & (FL_POSIX|FL_FLOCK)))
continue;
if (nfs_file_open_context(fl->fl_file)->state != state)
continue;
unlock_kernel();
unlock_flocks();
status = ops->recover_lock(state, fl);
switch (status) {
case 0:
@@ -1003,9 +1003,9 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_
/* kill_proc(fl->fl_pid, SIGLOST, 1); */
status = 0;
}
lock_kernel();
lock_flocks();
}
unlock_kernel();
unlock_flocks();
out:
up_write(&nfsi->rwsem);
return status;
6 fs/nfsd/nfs4state.c
View file
@@ -33,7 +33,7 @@
*/

#include <linux/file.h>
#include <linux/smp_lock.h>
#include <linux/fs.h>
#include <linux/slab.h>
#include <linux/namei.h>
#include <linux/swap.h>
@@ -3895,15 +3895,15 @@ check_for_locks(struct nfs4_file *filp, struct nfs4_stateowner *lowner)
struct inode *inode = filp->fi_inode;
int status = 0;

lock_kernel();
lock_flocks();
for (flpp = &inode->i_flock; *flpp != NULL; flpp = &(*flpp)->fl_next) {
if ((*flpp)->fl_owner == (fl_owner_t)lowner) {
status = 1;
goto out;
}
}
out:
unlock_kernel();
unlock_flocks();
return status;
}

1 fs/nilfs2/ioctl.c
View file
@@ -22,7 +22,6 @@

#include <linux/fs.h>
#include <linux/wait.h>
#include <linux/smp_lock.h> /* lock_kernel(), unlock_kernel() */
#include <linux/slab.h>
#include <linux/capability.h> /* capable() */
#include <linux/uaccess.h> /* copy_from_user(), copy_to_user() */
10 fs/nilfs2/super.c
View file
@@ -45,7 +45,6 @@
#include <linux/parser.h>
#include <linux/random.h>
#include <linux/crc32.h>
#include <linux/smp_lock.h>
#include <linux/vfs.h>
#include <linux/writeback.h>
#include <linux/kobject.h>
@@ -342,8 +341,6 @@ static void nilfs_put_super(struct super_block *sb)
struct nilfs_sb_info *sbi = NILFS_SB(sb);
struct the_nilfs *nilfs = sbi->s_nilfs;

lock_kernel();

nilfs_detach_segment_constructor(sbi);

if (!(sb->s_flags & MS_RDONLY)) {
@@ -361,8 +358,6 @@ static void nilfs_put_super(struct super_block *sb)
sbi->s_super = NULL;
sb->s_fs_info = NULL;
nilfs_put_sbinfo(sbi);

unlock_kernel();
}

static int nilfs_sync_fs(struct super_block *sb, int wait)
@@ -949,8 +944,6 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
struct nilfs_mount_options old_opts;
int was_snapshot, err;

lock_kernel();

down_write(&nilfs->ns_super_sem);
old_sb_flags = sb->s_flags;
old_opts.mount_opt = sbi->s_mount_opt;
@@ -1024,15 +1017,13 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
}
out:
up_write(&nilfs->ns_super_sem);
unlock_kernel();
return 0;

restore_opts:
sb->s_flags = old_sb_flags;
sbi->s_mount_opt = old_opts.mount_opt;
sbi->s_snapshot_cno = old_opts.snapshot_cno;
up_write(&nilfs->ns_super_sem);
unlock_kernel();
return err;
}

@@ -1205,7 +1196,6 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags,
put_nilfs(nilfs);
failed:
close_bdev_exclusive(sd.bdev, mode);

return err;

cancel_new:
24 fs/ntfs/super.c
View file
@@ -30,7 +30,6 @@
#include <linux/buffer_head.h>
#include <linux/vfs.h>
#include <linux/moduleparam.h>
#include <linux/smp_lock.h>
#include <linux/bitmap.h>

#include "sysctl.h"
@@ -445,7 +444,6 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt)

ntfs_debug("Entering with remount options string: %s", opt);

lock_kernel();
#ifndef NTFS_RW
/* For read-only compiled driver, enforce read-only flag. */
*flags |= MS_RDONLY;
@@ -469,32 +467,27 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt)
if (NVolErrors(vol)) {
ntfs_error(sb, "Volume has errors and is read-only%s",
es);
unlock_kernel();
return -EROFS;
}
if (vol->vol_flags & VOLUME_IS_DIRTY) {
ntfs_error(sb, "Volume is dirty and read-only%s", es);
unlock_kernel();
return -EROFS;
}
if (vol->vol_flags & VOLUME_MODIFIED_BY_CHKDSK) {
ntfs_error(sb, "Volume has been modified by chkdsk "
"and is read-only%s", es);
unlock_kernel();
return -EROFS;
}
if (vol->vol_flags & VOLUME_MUST_MOUNT_RO_MASK) {
ntfs_error(sb, "Volume has unsupported flags set "
"(0x%x) and is read-only%s",
(unsigned)le16_to_cpu(vol->vol_flags),
es);
unlock_kernel();
return -EROFS;
}
if (ntfs_set_volume_flags(vol, VOLUME_IS_DIRTY)) {
ntfs_error(sb, "Failed to set dirty bit in volume "
"information flags%s", es);
unlock_kernel();
return -EROFS;
}
#if 0
@@ -514,21 +507,18 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt)
ntfs_error(sb, "Failed to empty journal $LogFile%s",
es);
NVolSetErrors(vol);
unlock_kernel();
return -EROFS;
}
if (!ntfs_mark_quotas_out_of_date(vol)) {
ntfs_error(sb, "Failed to mark quotas out of date%s",
es);
NVolSetErrors(vol);
unlock_kernel();
return -EROFS;
}
if (!ntfs_stamp_usnjrnl(vol)) {
ntfs_error(sb, "Failed to stamp transation log "
"($UsnJrnl)%s", es);
NVolSetErrors(vol);
unlock_kernel();
return -EROFS;
}
} else if (!(sb->s_flags & MS_RDONLY) && (*flags & MS_RDONLY)) {
@@ -544,11 +534,9 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt)

// TODO: Deal with *flags.

if (!parse_options(vol, opt)) {
unlock_kernel();
if (!parse_options(vol, opt))
return -EINVAL;
}
unlock_kernel();

ntfs_debug("Done.");
return 0;
}
@@ -2261,8 +2249,6 @@ static void ntfs_put_super(struct super_block *sb)

ntfs_debug("Entering.");

lock_kernel();

#ifdef NTFS_RW
/*
* Commit all inodes while they are still open in case some of them
@@ -2433,8 +2419,6 @@ static void ntfs_put_super(struct super_block *sb)

sb->s_fs_info = NULL;
kfree(vol);

unlock_kernel();
}

/**
@@ -2772,8 +2756,6 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent)
init_rwsem(&vol->mftbmp_lock);
init_rwsem(&vol->lcnbmp_lock);

unlock_kernel();

/* By default, enable sparse support. */
NVolSetSparseEnabled(vol);

@@ -2940,7 +2922,6 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent)
}
mutex_unlock(&ntfs_lock);
sb->s_export_op = &ntfs_export_ops;
lock_kernel();
lockdep_on();
return 0;
}
@@ -3057,7 +3038,6 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent)
}
/* Errors at this stage are irrelevant. */
err_out_now:
lock_kernel();
sb->s_fs_info = NULL;
kfree(vol);
ntfs_debug("Failed, returning -EINVAL.");
3 fs/ocfs2/stack_user.c
View file
@@ -22,7 +22,6 @@
#include <linux/miscdevice.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/reboot.h>
#include <asm/uaccess.h>

@@ -612,12 +611,10 @@ static int ocfs2_control_open(struct inode *inode, struct file *file)
return -ENOMEM;
p->op_this_node = -1;

lock_kernel();
mutex_lock(&ocfs2_control_lock);
file->private_data = p;
list_add(&p->op_list, &ocfs2_control_private_list);
mutex_unlock(&ocfs2_control_lock);
unlock_kernel();

return 0;
}
7 fs/ocfs2/super.c
View file
@@ -609,8 +609,6 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
struct mount_options parsed_options;
struct ocfs2_super *osb = OCFS2_SB(sb);

lock_kernel();

if (!ocfs2_parse_options(sb, data, &parsed_options, 1) ||
!ocfs2_check_set_options(sb, &parsed_options)) {
ret = -EINVAL;
@@ -717,7 +715,6 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
MS_POSIXACL : 0);
}
out:
unlock_kernel();
return ret;
}

@@ -1640,13 +1637,9 @@ static void ocfs2_put_super(struct super_block *sb)
{
mlog_entry("(0x%p)\n", sb);

lock_kernel();

ocfs2_sync_blockdev(sb);
ocfs2_dismount_volume(sb, 0);

unlock_kernel();

mlog_exit_void();
}

4 fs/qnx4/dir.c
View file
@@ -11,7 +11,6 @@
* 20-06-1998 by Frank Denis : Linux 2.1.99+ & dcache support.
*/

#include <linux/smp_lock.h>
#include <linux/buffer_head.h>
#include "qnx4.h"

@@ -29,8 +28,6 @@ static int qnx4_readdir(struct file *filp, void *dirent, filldir_t filldir)
QNX4DEBUG((KERN_INFO "qnx4_readdir:i_size = %ld\n", (long) inode->i_size));
QNX4DEBUG((KERN_INFO "filp->f_pos = %ld\n", (long) filp->f_pos));

lock_kernel();

while (filp->f_pos < inode->i_size) {
blknum = qnx4_block_map( inode, filp->f_pos >> QNX4_BLOCK_SIZE_BITS );
bh = sb_bread(inode->i_sb, blknum);
@@ -71,7 +68,6 @@ static int qnx4_readdir(struct file *filp, void *dirent, filldir_t filldir)
brelse(bh);
}
out:
unlock_kernel();
return 0;
}

6 fs/qnx4/inode.c
View file
@@ -16,7 +16,6 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/highuid.h>
#include <linux/smp_lock.h>
#include <linux/pagemap.h>
#include <linux/buffer_head.h>
#include <linux/writeback.h>
@@ -157,8 +156,6 @@ static int qnx4_statfs(struct dentry *dentry, struct kstatfs *buf)
struct super_block *sb = dentry->d_sb;
u64 id = huge_encode_dev(sb->s_bdev->bd_dev);

lock_kernel();

buf->f_type = sb->s_magic;
buf->f_bsize = sb->s_blocksize;
buf->f_blocks = le32_to_cpu(qnx4_sb(sb)->BitMap->di_size) * 8;
@@ -168,8 +165,6 @@ static int qnx4_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_fsid.val[0] = (u32)id;
buf->f_fsid.val[1] = (u32)(id >> 32);

unlock_kernel();

return 0;
}

@@ -283,7 +278,6 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent)
goto outi;

brelse(bh);

return 0;

outi:
4 fs/qnx4/namei.c
View file
@@ -12,7 +12,6 @@
* 04-07-1998 by Frank Denis : first step for rmdir/unlink.
*/

#include <linux/smp_lock.h>
#include <linux/buffer_head.h>
#include "qnx4.h"

@@ -109,7 +108,6 @@ struct dentry * qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nam
int len = dentry->d_name.len;
struct inode *foundinode = NULL;

lock_kernel();
if (!(bh = qnx4_find_entry(len, dir, name, &de, &ino)))
goto out;
/* The entry is linked, let's get the real info */
@@ -123,13 +121,11 @@ struct dentry * qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nam

foundinode = qnx4_iget(dir->i_sb, ino);
if (IS_ERR(foundinode)) {
unlock_kernel();
QNX4DEBUG((KERN_ERR "qnx4: lookup->iget -> error %ld\n",
PTR_ERR(foundinode)));
return ERR_CAST(foundinode);
}
out:
unlock_kernel();
d_add(dentry, foundinode);

return NULL;
5 fs/smbfs/inode.c
View file
@@ -501,6 +501,8 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent)
void *mem;
static int warn_count;

lock_kernel();

if (warn_count < 5) {
warn_count++;
printk(KERN_EMERG "smbfs is deprecated and will be removed"
@@ -621,6 +623,7 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent)

smb_new_dentry(sb->s_root);

unlock_kernel();
return 0;

out_no_root:
@@ -643,9 +646,11 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent)
out_no_data:
printk(KERN_ERR "smb_fill_super: missing data argument\n");
out_fail:
unlock_kernel();
return -EINVAL;
out_no_server:
printk(KERN_ERR "smb_fill_super: cannot allocate struct smb_sb_info\n");
unlock_kernel();
return -ENOMEM;
}

5 fs/squashfs/super.c
View file
@@ -30,7 +30,6 @@
#include <linux/fs.h>
#include <linux/vfs.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/mutex.h>
#include <linux/pagemap.h>
#include <linux/init.h>
@@ -354,8 +353,6 @@ static int squashfs_remount(struct super_block *sb, int *flags, char *data)

static void squashfs_put_super(struct super_block *sb)
{
lock_kernel();

if (sb->s_fs_info) {
struct squashfs_sb_info *sbi = sb->s_fs_info;
squashfs_cache_delete(sbi->block_cache);
@@ -370,8 +367,6 @@ static void squashfs_put_super(struct super_block *sb)
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
}

unlock_kernel();
}


8 fs/udf/super.c
View file
@@ -1880,6 +1880,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
struct kernel_lb_addr rootdir, fileset;
struct udf_sb_info *sbi;

lock_kernel();

uopt.flags = (1 << UDF_FLAG_USE_AD_IN_ICB) | (1 << UDF_FLAG_STRICT);
uopt.uid = -1;
uopt.gid = -1;
@@ -1888,8 +1890,10 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
uopt.dmode = UDF_INVALID_MODE;

sbi = kzalloc(sizeof(struct udf_sb_info), GFP_KERNEL);
if (!sbi)
if (!sbi) {
unlock_kernel();
return -ENOMEM;
}

sb->s_fs_info = sbi;

@@ -2035,6 +2039,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
goto error_out;
}
sb->s_maxbytes = MAX_LFS_FILESIZE;
unlock_kernel();
return 0;

error_out:
@@ -2055,6 +2060,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
kfree(sbi);
sb->s_fs_info = NULL;

unlock_kernel();
return -EINVAL;
}

5 fs/ufs/super.c
View file
@@ -696,6 +696,8 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
unsigned maxsymlen;
int ret = -EINVAL;

lock_kernel();

uspi = NULL;
ubh = NULL;
flags = 0;
@@ -1163,6 +1165,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
goto failed;

UFSD("EXIT\n");
unlock_kernel();
return 0;

dalloc_failed:
@@ -1174,10 +1177,12 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
kfree(sbi);
sb->s_fs_info = NULL;
UFSD("EXIT (FAILED)\n");
unlock_kernel();
return ret;

failed_nomem:
UFSD("EXIT (NOMEM)\n");
unlock_kernel();
return -ENOMEM;
}

14 include/linux/fs.h
View file
@@ -1093,10 +1093,6 @@ struct file_lock {

#include <linux/fcntl.h>

/* temporary stubs for BKL removal */
#define lock_flocks() lock_kernel()
#define unlock_flocks() unlock_kernel()

extern void send_sigio(struct fown_struct *fown, int fd, int band);

#ifdef CONFIG_FILE_LOCKING
@@ -1135,6 +1131,8 @@ extern int vfs_setlease(struct file *, long, struct file_lock **);
extern int lease_modify(struct file_lock **, int);
extern int lock_may_read(struct inode *, loff_t start, unsigned long count);
extern int lock_may_write(struct inode *, loff_t start, unsigned long count);
extern void lock_flocks(void);
extern void unlock_flocks(void);
#else /* !CONFIG_FILE_LOCKING */
static inline int fcntl_getlk(struct file *file, struct flock __user *user)
{
@@ -1277,6 +1275,14 @@ static inline int lock_may_write(struct inode *inode, loff_t start,
return 1;
}

static inline void lock_flocks(void)
{
}

static inline void unlock_flocks(void)
{
}

#endif /* !CONFIG_FILE_LOCKING */


28 include/linux/ncp_fs.h
View file
@@ -241,34 +241,6 @@ int ncp_mmap(struct file *, struct vm_area_struct *);
/* linux/fs/ncpfs/ncplib_kernel.c */
int ncp_make_closed(struct inode *);

#define ncp_namespace(i) (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])

static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
{
#ifdef CONFIG_NCPFS_SMALLDOS
int ns = ncp_namespace(i);

if ((ns == NW_NS_DOS)
#ifdef CONFIG_NCPFS_OS2_NS
|| ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
#endif /* CONFIG_NCPFS_OS2_NS */
)
return 0;
#endif /* CONFIG_NCPFS_SMALLDOS */
return 1;
}

#define ncp_preserve_case(i) (ncp_namespace(i) != NW_NS_DOS)

static inline int ncp_case_sensitive(struct inode *i)
{
#ifdef CONFIG_NCPFS_NFS_NS
return ncp_namespace(i) == NW_NS_NFS;
#else
return 0;
#endif /* CONFIG_NCPFS_NFS_NS */
}

#endif /* __KERNEL__ */

#endif /* _LINUX_NCP_FS_H */
4 include/linux/ncp_fs_sb.h
View file
@@ -62,6 +62,7 @@ struct ncp_server {
int ncp_reply_size;

int root_setuped;
struct mutex root_setup_lock;

/* info for packet signing */
int sign_wanted; /* 1=Server needs signed packets */
@@ -81,13 +82,14 @@ struct ncp_server {
size_t len;
void* data;
} priv;
struct rw_semaphore auth_rwsem;

/* nls info: codepage for volume and charset for I/O */
struct nls_table *nls_vol;
struct nls_table *nls_io;

/* maximum age in jiffies */
int dentry_ttl;
atomic_t dentry_ttl;

/* miscellaneous */
unsigned int flags;
4 kernel/cgroup.c
View file
@@ -52,7 +52,6 @@
#include <linux/cgroupstats.h>
#include <linux/hash.h>
#include <linux/namei.h>
#include <linux/smp_lock.h>
#include <linux/pid_namespace.h>
#include <linux/idr.h>
#include <linux/vmalloc.h> /* TODO: replace with more sophisticated array */
@@ -1220,7 +1219,6 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data)
struct cgroup *cgrp = &root->top_cgroup;
struct cgroup_sb_opts opts;

lock_kernel();
mutex_lock(&cgrp->dentry->d_inode->i_mutex);
mutex_lock(&cgroup_mutex);

@@ -1253,7 +1251,6 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data)
kfree(opts.name);
mutex_unlock(&cgroup_mutex);
mutex_unlock(&cgrp->dentry->d_inode->i_mutex);
unlock_kernel();
return ret;
}

@@ -1566,7 +1563,6 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
out_err:
kfree(opts.release_agent);
kfree(opts.name);

return ret;
}