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authorChristoph Hellwig <hch@lst.de>2009-05-05 09:40:36 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2009-06-11 21:36:07 -0400
commit6cfd0148425e528b859b26e436b01f23f6926224 (patch)
tree60e3257053554ff198fe5825e6f12a00c3b4422a /fs/reiserfs/super.c
parenta9e220f8322e2b0e0b8903fe00265461cffad3f0 (diff)
push BKL down into ->put_super
Move BKL into ->put_super from the only caller. A couple of filesystems had trivial enough ->put_super (only kfree and NULLing of s_fs_info + stuff in there) to not get any locking: coda, cramfs, efs, hugetlbfs, omfs, qnx4, shmem, all others got the full treatment. Most of them probably don't need it, but I'd rather sort that out individually. Preferably after all the other BKL pushdowns in that area. [AV: original used to move lock_super() down as well; these changes are removed since we don't do lock_super() at all in generic_shutdown_super() now] [AV: fuse, btrfs and xfs are known to need no damn BKL, exempt] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/reiserfs/super.c')
-rw-r--r--fs/reiserfs/super.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 3da0401c0a96..90dcb7b033ea 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -465,6 +465,8 @@ static void reiserfs_put_super(struct super_block *s)
465 struct reiserfs_transaction_handle th; 465 struct reiserfs_transaction_handle th;
466 th.t_trans_id = 0; 466 th.t_trans_id = 0;
467 467
468 lock_kernel();
469
468 if (s->s_dirt) 470 if (s->s_dirt)
469 reiserfs_write_super(s); 471 reiserfs_write_super(s);
470 472
@@ -500,7 +502,7 @@ static void reiserfs_put_super(struct super_block *s)
500 kfree(s->s_fs_info); 502 kfree(s->s_fs_info);
501 s->s_fs_info = NULL; 503 s->s_fs_info = NULL;
502 504
503 return; 505 unlock_kernel();
504} 506}
505 507
506static struct kmem_cache *reiserfs_inode_cachep; 508static struct kmem_cache *reiserfs_inode_cachep;