search for: j_wait_transaction_lock

Displaying 3 results from an estimated 3 matches for "j_wait_transaction_lock".

2006 Aug 14
0
Question concerning the EXT3 Journaling code
...in the hopes that I can identify a place where they may be experiencing unexpected delays. This debugging lead me to look at the code in start_this_handle(), contained in file fs/jbd/transaction.c, and I have a question concerning the wake_up() logic for the thread which may go to sleep on <j_wait_transaction_locked>. The thread will sleep as long as <j_barrier_count> is non-zero: repeat: spin_lock(&journal->j_state_lock); ... if (journal->j_barrier_count) { spin_unlock(&journal->j_state_lock);...
2010 Aug 04
6
[PATCH -v2 0/3] jbd2 scalability patches
This version fixes three bugs in the 2nd patch of this series that caused kernel BUG when the system was under race. We weren't accounting with t_oustanding_credits correctly, and there were race conditions caused by the fact the I had overlooked the fact that __jbd2_log_wait_for_space() and jbd2_get_transaction() requires j_state_lock to be write locked. Theodore Ts'o (3): jbd2: Use
2005 Sep 09
7
[PATCH 0/6] jbd cleanup
The following 6 patches cleanup the jbd code and kill about 200 lines. First of 4 patches can apply to 2.6.13-git8 and 2.6.13-mm2. The rest of them can apply to 2.6.13-mm2. fs/jbd/checkpoint.c | 179 +++++++++++-------------------------------- fs/jbd/commit.c | 101 ++++++++++-------------- fs/jbd/journal.c | 11 +- fs/jbd/revoke.c | 158