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| author | Andrew Perepechko <anserper@ya.ru> | 2022-09-07 19:59:59 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-10-26 13:34:28 +0300 |
| commit | d87fe290a5339df0b215495a780969544ffbd178 (patch) | |
| tree | 1d90fbb98074aed10e89552084d1e648b96249b5 /fs/jbd2/commit.c | |
| parent | 7434626c5eaaf4178c643f79828f8cf288308dfd (diff) | |
| download | linux-d87fe290a5339df0b215495a780969544ffbd178.tar.xz | |
jbd2: wake up journal waiters in FIFO order, not LIFO
commit 34fc8768ec6089565d6d73bad26724083cecf7bd upstream.
LIFO wakeup order is unfair and sometimes leads to a journal
user not being able to get a journal handle for hundreds of
transactions in a row.
FIFO wakeup can make things more fair.
Cc: stable@kernel.org
Signed-off-by: Alexey Lyashkov <alexey.lyashkov@gmail.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20220907165959.1137482-1-alexey.lyashkov@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/jbd2/commit.c')
| -rw-r--r-- | fs/jbd2/commit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 69538061c551..ac328e332124 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -581,7 +581,7 @@ void jbd2_journal_commit_transaction(journal_t *journal) journal->j_running_transaction = NULL; start_time = ktime_get(); commit_transaction->t_log_start = journal->j_head; - wake_up(&journal->j_wait_transaction_locked); + wake_up_all(&journal->j_wait_transaction_locked); write_unlock(&journal->j_state_lock); jbd_debug(3, "JBD2: commit phase 2a\n"); |