bfs: kill BKL
Replace the BKL-based locking scheme used in the bfs driver by a private
filesystem-wide mutex.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.fi>
Cc: Tigran Aivazian <tigran_aivazian@symantec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/bfs/file.c b/fs/bfs/file.c
index b11e63e..6a02126 100644
--- a/fs/bfs/file.c
+++ b/fs/bfs/file.c
@@ -99,7 +99,7 @@
return -ENOSPC;
/* The rest has to be protected against itself. */
- lock_kernel();
+ mutex_lock(&info->bfs_lock);
/*
* If the last data block for this file is the last allocated
@@ -151,7 +151,7 @@
mark_buffer_dirty(sbh);
map_bh(bh_result, sb, phys);
out:
- unlock_kernel();
+ mutex_unlock(&info->bfs_lock);
return err;
}