> This is for adding FITRIM ioctl functionality to exFAT filesystem. > Firstly, because the fstrim is long operation, introduce bitmap_lock to > narrow the lock range to > prevent read operation stall. > After that, add generic ioctl function and FITRIM handler. > > Changelog > ========= > v3->v4: > - Introduce bitmap_lock mutex to narrow the lock range for bitmap access > and change to use bitmap_lock instead of s_lock in FITRIM handler to > prevent read stall while ongoing fstrim. > - Minor code style fix > > v2->v3: > - Remove unnecessary local variable > - Merge all changes to a single patch > > v1->v2: > - Change variable declaration order as reverse tree style. > - Return -EOPNOTSUPP from sb_issue_discard() just as it is. > - Remove cond_resched() in while loop. > - Move ioctl related code into it's helper function. > > Hyeongseok Kim (2): > exfat: introduce bitmap_lock for cluster bitmap access > exfat: add support ioctl and FITRIM function Applied. Thanks for your patches!
> > fs/exfat/balloc.c | 80 +++++++++++++++++++++++++++++++++++++++++++++ > fs/exfat/dir.c | 5 +++ > fs/exfat/exfat_fs.h | 5 +++ > fs/exfat/fatent.c | 37 ++++++++++++++++----- > fs/exfat/file.c | 53 ++++++++++++++++++++++++++++++ > fs/exfat/super.c | 1 + > 6 files changed, 173 insertions(+), 8 deletions(-) > > -- > 2.27.0.83.g0313f36
