linux-stable/fs/jbd2
Andrew Perepechko 21ea616f1e jbd2: wake up journal waiters in FIFO order, not LIFO
commit 34fc8768ec 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>
2022-10-26 13:22:17 +02:00
..
checkpoint.c jbd2: fix up sparse warnings in checkpoint code 2020-11-18 19:20:30 +01:00
commit.c jbd2: wake up journal waiters in FIFO order, not LIFO 2022-10-26 13:22:17 +02:00
journal.c jbd2: add the missing unlock_buffer() in the error path of jbd2_write_superblock() 2020-08-26 10:40:52 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
recovery.c jbd2: clarify bad journal block checksum message 2018-02-18 21:33:13 -05:00
revoke.c jbd2: flush_descriptor(): Do not decrease buffer head's ref count 2019-08-11 16:29:41 -04:00
transaction.c jbd2: wake up journal waiters in FIFO order, not LIFO 2022-10-26 13:22:17 +02:00