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| author | Jan Blunck <jblunck@infradead.org> | 2010-02-24 13:25:29 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2010-10-04 21:10:35 +0200 |
| commit | ba13d597a60a1a26614f18b76c1a2cad1a548e46 (patch) | |
| tree | 3b9df6c49beea2fe5ce99ad80cf8d30174b79c67 | |
| parent | 74c41429ae5889933a2b9b9d0d2f687baa410766 (diff) | |
| download | blackbird-op-linux-ba13d597a60a1a26614f18b76c1a2cad1a548e46.tar.gz blackbird-op-linux-ba13d597a60a1a26614f18b76c1a2cad1a548e46.zip | |
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>
| -rw-r--r-- | fs/bfs/inode.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index d2e09363dd93..883e77acd5a8 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -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; } |
