Hello! On Fri 30-06-23 19:08:17, Baokun Li wrote: > Hello Honza, > > This is a solution that uses dquot_srcu to avoid race condition between > dqput() and dquot_mark_dquot_dirty(). I performed a 12+h fault injection > stress test (6 VMs, 4 test threads per VM) and have not found any problems. > And I tested the performance based on the next branch (5c875096d590), this > patch set didn't degrade performance, but rather had a ~5% improvement. > > V1->V2: > Modify the solution to use dquot_srcu. > V2->V3: > Merge some patches, optimize descriptions. > Simplify solutions, and fix some spelling errors. > Thanks! I've added the patches to my tree. Honza > Baokun Li (5): > quota: factor out dquot_write_dquot() > quota: rename dquot_active() to inode_quota_active() > quota: add new helper dquot_active() > quota: fix dqput() to follow the guarantees dquot_srcu should provide > quota: simplify drop_dquot_ref() > > fs/quota/dquot.c | 244 ++++++++++++++++++++++++----------------------- > 1 file changed, 125 insertions(+), 119 deletions(-) > > -- > 2.31.1 > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
