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BKL: Remove BKL from BFS

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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 <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
This commit is contained in:
Jan Blunck 2010-02-24 13:25:29 +01:00 • committed by Arnd Bergmann
commit ba13d597a6
1 changed files with 1 additions and 12 deletions
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13
fs/bfs/inode.c
View file

@ -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;
}