So question on the direct I/O code. The perfectly fine iomap code wasn't merged because of the pre-existing stale data exposure issuewith f2fs direct I/O low-level implementation. This doesn't seem to be fixed or even worked around, but instead we do get new direct I/O features?
On Wed, Nov 10, 2021 at 08:11:10PM -0800, Jaegeuk Kim wrote: > Hi Linus, > > Could you please consider this pull request? > > Thanks, > > The following changes since commit ff1ffd71d5f0612cf194f5705c671d6b64bf5f91: > > Merge tag 'hyperv-fixes-signed-20210915' of > git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux (2021-09-15 > 17:18:56 -0700) > > are available in the Git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git > tags/f2fs-for-5.16-rc1 > > for you to fetch changes up to 5429c9dbc9025f9a166f64e22e3a69c94fd5b29b: > > f2fs: fix UAF in f2fs_available_free_memory (2021-11-09 08:23:17 -0800) > > ---------------------------------------------------------------- > f2fs-for-5.16-rc1 > > In this cycle, we've applied relatively small number of patches which fix > subtle > corner cases mainly, while introducing a new mount option to be able to > fragment > the disk intentionally for performance tests. > > Enhancement: > - add a mount option to fragmente on-disk layout to understand the > performance > - support direct IO for multi-partitions > - add a fault injection of dquot_initialize > > Bug fix: > - address some lockdep complaints > - fix a deadlock issue with quota > - fix a memory tuning condition > - fix compression condition to improve the ratio > - fix disabling compression on the non-empty compressed file > - invalidate cached pages before IPU/DIO writes > > And, we've added some minor clean-ups as usual. > > ---------------------------------------------------------------- > Chao Yu (7): > f2fs: quota: fix potential deadlock > f2fs: avoid attaching SB_ACTIVE flag during mount > f2fs: introduce excess_dirty_threshold() > f2fs: fix wrong condition to trigger background checkpoint correctly > f2fs: multidevice: support direct IO > f2fs: fix incorrect return value in f2fs_sanity_check_ckpt() > f2fs: support fault injection for dquot_initialize() > > Daeho Jeong (2): > f2fs: include non-compressed blocks in compr_written_block > f2fs: introduce fragment allocation mode mount option > > Dongliang Mu (1): > f2fs: fix UAF in f2fs_available_free_memory > > Fengnan Chang (1): > f2fs: compress: fix overwrite may reduce compress ratio unproperly > > Gao Xiang (1): > f2fs: fix up f2fs_lookup tracepoints > > Hyeong-Jun Kim (2): > f2fs: compress: disallow disabling compress on non-empty compressed file > f2fs: invalidate META_MAPPING before IPU/DIO write > > Jaegeuk Kim (1): > f2fs: should use GFP_NOFS for directory inodes > > Keoseong Park (1): > f2fs: fix to use WHINT_MODE > > Qing Wang (1): > f2fs: replace snprintf in show functions with sysfs_emit > > Weichao Guo (1): > f2fs: set SBI_NEED_FSCK flag when inconsistent node block found > > Documentation/ABI/testing/sysfs-fs-f2fs | 16 ++++++ > Documentation/filesystems/f2fs.rst | 19 +++++++ > fs/f2fs/checkpoint.c | 8 ++- > fs/f2fs/compress.c | 20 +++++++ > fs/f2fs/data.c | 95 > +++++++++++++++++++++++++-------- > fs/f2fs/f2fs.h | 54 ++++++++++++++++--- > fs/f2fs/file.c | 6 +-- > fs/f2fs/gc.c | 5 +- > fs/f2fs/inline.c | 2 +- > fs/f2fs/inode.c | 4 +- > fs/f2fs/namei.c | 32 +++++------ > fs/f2fs/node.c | 1 + > fs/f2fs/node.h | 5 -- > fs/f2fs/recovery.c | 14 ++--- > fs/f2fs/segment.c | 83 +++++++++++++++++++++------- > fs/f2fs/segment.h | 1 + > fs/f2fs/super.c | 39 +++++++++++++- > fs/f2fs/sysfs.c | 24 ++++++++- > fs/f2fs/verity.c | 2 +- > fs/f2fs/xattr.c | 2 +- > include/trace/events/f2fs.h | 33 ++++++++---- > 21 files changed, 359 insertions(+), 106 deletions(-) ---end quoted text--- _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
