linux

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History

Peter Staubach b2f49033d8 [PATCH] fix deadlock in ext2

Fix a deadlock possible in the ext2 file system implementation.  This
deadlock occurs when a file is removed from an ext2 file system which was
mounted with the "sync" mount option.

The problem is that ext2_xattr_delete_inode() was invoking the routine,
sync_dirty_buffer(), using a buffer head which was previously locked via
lock_buffer().  The first thing that sync_dirty_buffer() does is to lock
the buffer head that it was passed.  It does this via lock_buffer().  Oops.

The solution is to unlock the buffer head in ext2_xattr_delete_inode()
before invoking sync_dirty_buffer().  This makes the code in
ext2_xattr_delete_inode() obey the same locking rules as all other callers
of sync_dirty_buffer() in the ext2 file system implementation.

Signed-off-by: Peter Staubach <staubach@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2006-02-17 13:59:26 -08:00

acl.c

[PATCH] Fix two ext[23] uninitialized warnings

2006-02-03 08:32:05 -08:00

acl.h

[PATCH] remove <linux/xattr_acl.h>

2005-06-23 09:45:33 -07:00

balloc.c

[PATCH] capable/capability.h (fs/)

2006-01-11 18:42:13 -08:00

bitmap.c

[PATCH] fs/ext2/bitmap.c: ext2_count_free() is only required #ifdef EXT2FS_DEBUG