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| author |   Jan Kara <jack@suse.cz> | 2005-09-06 15:19:09 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 16:57:54 -0700 |
| commit | e6c9f5c1888097c936334bf9740024520ca47b8e (patch) | |
| tree | 6fcf2cccb7e4d155dd663f10001efdb2a9d7daae /fs/buffer.c | |
| parent | [PATCH] kjournald: missing JFS_UNMOUNT check (diff) | |
| download | linux-dev-e6c9f5c1888097c936334bf9740024520ca47b8e.tar.xz linux-dev-e6c9f5c1888097c936334bf9740024520ca47b8e.zip | |
[PATCH] Fix JBD race in t_forget list handling
Fix race between journal_commit_transaction() and other places as
journal_unmap_buffer() that are adding buffers to transaction's t_forget list.
We have to protect against such places by holding j_list_lock even when
traversing the t_forget list. The fact that other places can only add buffers
to the list makes the locking easier. OTOH the lock ranking complicates the
stuff...
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/buffer.c')
0 files changed, 0 insertions, 0 deletions