android_kernel_motorola_sm6225/fs/ext4
Matthew Bobrowski 0af1ad3b1c ext4: update direct I/O read lock pattern for IOCB_NOWAIT
[ Upstream commit 548feebec7e93e58b647dba70b3303dcb569c914 ]

This patch updates the lock pattern in ext4_direct_IO_read() to not
block on inode lock in cases of IOCB_NOWAIT direct I/O reads. The
locking condition implemented here is similar to that of 942491c9e6
("xfs: fix AIM7 regression").

Fixes: 16c5468859 ("ext4: Allow parallel DIO reads")
Signed-off-by: Matthew Bobrowski <mbobrowski@mbobrowski.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/c5d5e759f91747359fbd2c6f9a36240cf75ad79f.1572949325.git.mbobrowski@mbobrowski.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-04 19:12:47 +01:00
..
acl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
acl.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
balloc.c ext4: use ext4_warning() for sb_getblk failure 2018-08-01 12:02:31 -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: fix potential use after free after remounting with noblock_validity 2019-10-07 18:57:05 +02:00
dir.c ext4: check for directory entries too close to block end 2019-12-31 16:36:27 +01:00
ext4.h ext4: fix potential use after free after remounting with noblock_validity 2019-10-07 18:57:05 +02:00
ext4_extents.h ext4: verify the depth of extent tree in ext4_find_extent() 2018-06-14 12:55:10 -04:00
ext4_jbd2.c ext4: shutdown should not prevent get_write_access 2018-02-18 22:07:36 -05:00
ext4_jbd2.h ext4: use jbd2_inode dirty range scoping 2019-07-28 08:29:29 +02:00
extents.c ext4: fix warning inside ext4_convert_unwritten_extents_endio 2019-10-05 13:10:11 +02:00
extents_status.c ext4: remove NULL check before calling kmem_cache_destroy() 2018-05-20 22:44:13 -04:00
extents_status.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
file.c ext4: enforce the immutable flag on open files 2019-07-28 08:29:29 +02:00
fsmap.c ext4: make function ‘ext4_getfsmap_find_fixed_metadata’ static 2018-05-10 11:50:04 -04:00
fsmap.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
fsync.c Revert "ext4: use ext4_write_inode() when fsyncing w/o a journal" 2019-02-15 08:10:13 +01:00
hash.c ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
ialloc.c ext4: avoid declaring fs inconsistent due to invalid file handles 2019-01-09 17:38:43 +01:00
indirect.c ext4: cleanup bh release code in ext4_ind_remove_space() 2019-04-05 22:32:55 +02:00
inline.c ext4: fix a potential fiemap/page fault deadlock w/ inline_data 2019-01-16 22:04:36 +01:00
inode.c ext4: update direct I/O read lock pattern for IOCB_NOWAIT 2020-01-04 19:12:47 +01:00
ioctl.c ext4: disallow files with EXT4_JOURNAL_DATA_FL from EXT4_IOC_SWAP_BOOT 2019-11-06 13:05:37 +01:00
Kconfig fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at 2018-01-01 12:45:37 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mballoc.c ext4: make sanity check in mballoc more strict 2019-05-22 07:37:42 +02:00
mballoc.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
migrate.c ext4: add ext4_sb_bread() to disambiguate ENOMEM cases 2019-01-09 17:38:43 +01:00
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 2019-07-28 08:29:29 +02:00
namei.c ext4: fix ext4_empty_dir() for directories with holes 2019-12-31 16:36:26 +01:00
page-io.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
readpage.c ext4: readpages() should submit IO as read-ahead 2018-08-17 16:20:29 -07:00
resize.c ext4: avoid drop reference to iloc.bh twice 2019-05-22 07:37:42 +02:00
super.c ext4: add more paranoia checking in ext4_expand_extra_isize handling 2019-12-05 09:21:32 +01:00
symlink.c ext4: switch to fscrypt_get_symlink() 2018-01-11 22:10:40 -05:00
sysfs.c for-4.19/block-20180812 2018-08-14 10:23:25 -07:00
truncate.h ext4: handle layout changes to pinned DAX mappings 2018-07-29 17:00:22 -04:00
xattr.c ext4: ignore e_value_offs for xattrs with value-in-ea-inode 2019-05-22 07:37:42 +02:00
xattr.h ext4: add extra checks to ext4_xattr_block_get() 2018-03-30 20:04:11 -04:00
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