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| author | Jeff Mahoney <jeffm@suse.com> | 2005-12-14 14:38:36 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-12-14 18:56:07 -0800 |
| commit | 5d5e815618c4a8b53806845268c951201d14af6e (patch) | |
| tree | 5515610e7747c52d20fe20ea4bc48186b2ff7ac0 | |
| parent | ea54c96c04cfd9fec881e403d8f7931b47f7b2a6 (diff) | |
| download | linux-5d5e815618c4a8b53806845268c951201d14af6e.tar.gz linux-5d5e815618c4a8b53806845268c951201d14af6e.tar.bz2 linux-5d5e815618c4a8b53806845268c951201d14af6e.zip | |
[PATCH] reiserfs: skip commit on io error
This should have been part of the original io error patch, but got
dropped somewhere along the way.
It's extremely important when handling the i/o error in the journal to
not commit the transaction with corrupt data. This patch adds that code
back in.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | fs/reiserfs/journal.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 68b7b78638ff..3f17ef844fb6 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -1039,6 +1039,10 @@ static int flush_commit_list(struct super_block *s, } atomic_dec(&journal->j_async_throttle); + /* We're skipping the commit if there's an error */ + if (retval || reiserfs_is_journal_aborted(journal)) + barrier = 0; + /* wait on everything written so far before writing the commit * if we are in barrier mode, send the commit down now */ @@ -1077,10 +1081,16 @@ static int flush_commit_list(struct super_block *s, BUG_ON(atomic_read(&(jl->j_commit_left)) != 1); if (!barrier) { - if (buffer_dirty(jl->j_commit_bh)) - BUG(); - mark_buffer_dirty(jl->j_commit_bh); - sync_dirty_buffer(jl->j_commit_bh); + /* If there was a write error in the journal - we can't commit + * this transaction - it will be invalid and, if successful, + * will just end up propogating the write error out to + * the file system. */ + if (likely(!retval && !reiserfs_is_journal_aborted (journal))) { + if (buffer_dirty(jl->j_commit_bh)) + BUG(); + mark_buffer_dirty(jl->j_commit_bh) ; + sync_dirty_buffer(jl->j_commit_bh) ; + } } else wait_on_buffer(jl->j_commit_bh); |