[target] fix iov_iter_bvec() "direction" argument

Al Viro · Al Viro · commit b676668d9915 · 2022-11-25T13:01:21.000-05:00
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
@@ -337,7 +337,7 @@ static int fd_do_rw(struct se_cmd *cmd, struct file *fd,
 		len += sg->length;
 	}
 
-	iov_iter_bvec(&iter, READ, bvec, sgl_nents, len);
+	iov_iter_bvec(&iter, is_write, bvec, sgl_nents, len);
 	if (is_write)
 		ret = vfs_iter_write(fd, &iter, &pos, 0);
 	else
@@ -473,7 +473,7 @@ fd_execute_write_same(struct se_cmd *cmd)
 		len += se_dev->dev_attrib.block_size;
 	}
 
-	iov_iter_bvec(&iter, READ, bvec, nolb, len);
+	iov_iter_bvec(&iter, WRITE, bvec, nolb, len);
 	ret = vfs_iter_write(fd_dev->fd_file, &iter, &pos, 0);
 
 	kfree(bvec);

Original file line number	Diff line number	Diff line change
`@@ -337,7 +337,7 @@ static int fd_do_rw(struct se_cmd cmd, struct file fd,`
`337`	`337`	`len += sg->length;`
`338`	`338`	`}`
`339`	`339`
`340`		`- iov_iter_bvec(&iter, READ, bvec, sgl_nents, len);`
	`340`	`+ iov_iter_bvec(&iter, is_write, bvec, sgl_nents, len);`
`341`	`341`	`if (is_write)`
`342`	`342`	`ret = vfs_iter_write(fd, &iter, &pos, 0);`
`343`	`343`	`else`
`@@ -473,7 +473,7 @@ fd_execute_write_same(struct se_cmd *cmd)`
`473`	`473`	`len += se_dev->dev_attrib.block_size;`
`474`	`474`	`}`
`475`	`475`
`476`		`- iov_iter_bvec(&iter, READ, bvec, nolb, len);`
	`476`	`+ iov_iter_bvec(&iter, WRITE, bvec, nolb, len);`
`477`	`477`	`ret = vfs_iter_write(fd_dev->fd_file, &iter, &pos, 0);`
`478`	`478`
`479`	`479`	`kfree(bvec);`