Theodore Ts'o a931da6ac9 jbd2: Change j_state_lock to be a rwlock_t ...

Lockstat reports have shown that j_state_lock is a major source of
lock contention, especially on systems with more than 4 CPU cores.  So
change it to be a read/write spinlock.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

2010-08-03 21:35:12 -04:00

..

checkpoint.c

jbd2: Change j_state_lock to be a rwlock_t

2010-08-03 21:35:12 -04:00

commit.c

jbd2: Change j_state_lock to be a rwlock_t

2010-08-03 21:35:12 -04:00

journal.c

jbd2: Change j_state_lock to be a rwlock_t

2010-08-03 21:35:12 -04:00

Kconfig

Revert "task_struct: make journal_info conditional"

2009-12-17 13:23:24 -08:00

Makefile

…

recovery.c

ext4: remove initialized but not read variables

2010-06-14 13:28:03 -04:00

revoke.c

jbd2: use SWRITE_SYNC_PLUG when writing synchronous revoke records

2009-04-14 07:50:56 -04:00

transaction.c

jbd2: Change j_state_lock to be a rwlock_t

2010-08-03 21:35:12 -04:00