iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/fs/ext4
History
Ritesh Harjani f629afe336 ext4: fix ext4_dax_read/write inode locking sequence for IOCB_NOWAIT 
Apparently our current rwsem code doesn't like doing the trylock, then
lock for real scheme.  So change our dax read/write methods to just do the
trylock for the RWF_NOWAIT case.
This seems to fix AIM7 regression in some scalable filesystems upto ~25%
in some cases. Claimed in commit 942491c9e6d6 ("xfs: fix AIM7 regression")

Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Matthew Bobrowski <mbobrowski@mbobrowski.org>
Tested-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/20191212055557.11151-2-riteshh@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2019-12-22 23:57:27 -05:00
..
acl.c
ext4: compare old and new mode before setting update_mode flag
2018-12-10 00:22:38 -05:00
acl.h
ext4: fix up remaining files with SPDX cleanups
2017-12-17 22:00:59 -05:00
balloc.c
ext4: clean up kerneldoc warnigns when building with W=1
2019-06-19 16:30:03 -04:00
bitmap.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
block_validity.c
ext4: use RCU API in debug_print_tree
2019-12-15 21:41:04 -05:00
dir.c
ext4: optimize __ext4_check_dir_entry()
2019-12-14 17:23:14 -05:00
ext4_extents.h
ext4: adjust reserved cluster count when removing extents
2018-10-01 14:25:08 -04:00
ext4_jbd2.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
ext4_jbd2.h
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
ext4.h
This merge window saw the the following new featuers added to ext4:
2019-11-30 10:53:02 -08:00
extents_status.c
ext4: use percpu_counters for extent_status cache hits/misses
2019-08-28 11:19:23 -04:00
extents_status.h
ext4: use percpu_counters for extent_status cache hits/misses
2019-08-28 11:19:23 -04:00
extents.c
Merge branch 'mb/dio' into master
2019-11-05 16:21:09 -05:00
file.c
ext4: fix ext4_dax_read/write inode locking sequence for IOCB_NOWAIT
2019-12-22 23:57:27 -05:00
fsmap.c
ext4: fix miscellaneous sparse warnings
2019-05-12 04:49:47 -04:00
fsmap.h
ext4: fix up remaining files with SPDX cleanups
2017-12-17 22:00:59 -05:00
fsync.c
ext4: update ext4_sync_file() to not use __generic_file_fsync()
2019-11-05 11:31:40 -05:00
hash.c
ext4: fix kernel oops caused by spurious casefold flag
2019-09-03 01:43:17 -04:00
ialloc.c
ext4: reserve revoke credits in __ext4_new_inode
2019-12-14 17:47:13 -05:00
indirect.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
inline.c
ext4: set error return correctly when ext4_htree_store_dirent fails
2019-08-12 14:29:38 -04:00
inode-test.c
fs/ext4/inode-test: Fix inode test on 32 bit platforms.
2019-12-09 11:15:44 -07:00
inode.c
Ext4 bug fixes (including a regression fix) for 5.5
2019-12-22 10:41:48 -08:00
ioctl.c
fs: compat_ioctl: move FITRIM emulation into file systems
2019-10-23 17:23:46 +02:00
Kconfig
ext4: add kunit test for decoding extended timestamps
2019-10-23 10:28:23 -06:00
Makefile
ext4: add kunit test for decoding extended timestamps
2019-10-23 10:28:23 -06:00
mballoc.c
ext4: clean up kerneldoc warnigns when building with W=1
2019-06-19 16:30:03 -04:00
mballoc.h
ext4: fix up remaining files with SPDX cleanups
2017-12-17 22:00:59 -05:00
migrate.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
mmp.c
ext4: don't mark mmp buffer head dirty
2018-09-15 17:11:25 -04:00
move_extent.c
ext4: use jbd2_inode dirty range scoping
2019-06-20 17:26:26 -04:00
namei.c
ext4: fix unused-but-set-variable warning in ext4_add_entry()
2019-12-21 21:00:53 -05:00
page-io.c
ext4: bio_alloc with __GFP_DIRECT_RECLAIM never fails
2019-11-14 22:19:11 -05:00
readpage.c
ext4: bio_alloc with __GFP_DIRECT_RECLAIM never fails
2019-11-14 22:19:11 -05:00
resize.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
super.c
Ext4 bug fixes (including a regression fix) for 5.5
2019-12-22 10:41:48 -08:00
symlink.c
ext4: switch to fscrypt_get_symlink()
2018-01-11 22:10:40 -05:00
sysfs.c
ext4: add basic fs-verity support
2019-08-12 19:33:50 -07:00
truncate.h
ext4: handle layout changes to pinned DAX mappings
2018-07-29 17:00:22 -04:00
verity.c
ext4: add basic fs-verity support
2019-08-12 19:33:50 -07:00
xattr_security.c
ext4: use XATTR_CREATE in ext4_initxattrs()
2018-05-10 11:52:14 -04:00
xattr_trusted.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xattr_user.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xattr.c
ext4: Reserve revoke credits for freed blocks
2019-11-05 16:00:49 -05:00
xattr.h
ext4: add extra checks to ext4_xattr_block_get()
2018-03-30 20:04:11 -04:00