BKL: Remove BKL from BFS
The BKL is only used in put_super and fill_super that are both protected by the superblocks s_umount rw_semaphore. Therefore it is safe to remove the BKL entirely. Signed-off-by: Jan Blunck <jblunck@infradead.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
parent
74c41429ae
commit
ba13d597a6
1 changed files with 1 additions and 12 deletions
|
@ -12,7 +12,6 @@
|
|||
#include <linux/slab.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/fs.h>
|
||||
#include <linux/smp_lock.h>
|
||||
#include <linux/buffer_head.h>
|
||||
#include <linux/vfs.h>
|
||||
#include <linux/writeback.h>
|
||||
|
@ -215,14 +214,10 @@ static void bfs_put_super(struct super_block *s)
|
|||
if (!info)
|
||||
return;
|
||||
|
||||
lock_kernel();
|
||||
|
||||
mutex_destroy(&info->bfs_lock);
|
||||
kfree(info->si_imap);
|
||||
kfree(info);
|
||||
s->s_fs_info = NULL;
|
||||
|
||||
unlock_kernel();
|
||||
}
|
||||
|
||||
static int bfs_statfs(struct dentry *dentry, struct kstatfs *buf)
|
||||
|
@ -322,13 +317,9 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
|
|||
int ret = -EINVAL;
|
||||
unsigned long i_sblock, i_eblock, i_eoff, s_size;
|
||||
|
||||
lock_kernel();
|
||||
|
||||
info = kzalloc(sizeof(*info), GFP_KERNEL);
|
||||
if (!info) {
|
||||
unlock_kernel();
|
||||
if (!info)
|
||||
return -ENOMEM;
|
||||
}
|
||||
mutex_init(&info->bfs_lock);
|
||||
s->s_fs_info = info;
|
||||
|
||||
|
@ -443,7 +434,6 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
|
|||
brelse(bh);
|
||||
brelse(sbh);
|
||||
dump_imap("read_super", s);
|
||||
unlock_kernel();
|
||||
return 0;
|
||||
|
||||
out3:
|
||||
|
@ -457,7 +447,6 @@ out:
|
|||
mutex_destroy(&info->bfs_lock);
|
||||
kfree(info);
|
||||
s->s_fs_info = NULL;
|
||||
unlock_kernel();
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue