Remove check for BtrFS SERVER-4885

As of 2.6.31 it supports fallocate so don't need to use sparse files anyway
mongodb · Feb 9, 2012 · 3bc8e32 · 3bc8e32
1 parent 74c1ffb
commit 3bc8e32
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/src/mongo/util/file_allocator.cpp b/src/mongo/util/file_allocator.cpp
@@ -151,15 +151,12 @@ namespace mongo {
 #if defined(__linux__)
 // these are from <linux/magic.h> but that isn't available on all systems
 # define NFS_SUPER_MAGIC 0x6969
-# define BTRFS_SUPER_MAGIC 0x9123683E
 
         struct statfs fs_stats;
         int ret = fstatfs(fd, &fs_stats);
         uassert(16062, "fstatfs failed: " + errnoWithDescription(), ret == 0);
 
-        return (  fs_stats.f_type == NFS_SUPER_MAGIC
-               //|| fs_stats.f_type == BTRFS_SUPER_MAGIC // commented out due to signed unsigned comparison
-               );
+        return (fs_stats.f_type == NFS_SUPER_MAGIC);
 
 #elif defined(__freebsd__) || defined(__sunos__)
         // assume using ZFS which is copy-on-write so no benefit to zero-filling