AuxXxilium/linux_dsm_epyc7002
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88c6b61ff1
linux_dsm_epyc7002/fs/ext4
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Dmitry Monakhov 88c6b61ff1 ext4: move_extent improve bh vanishing success factor 
Xiaoguang Wang has reported sporadic EBUSY failures of ext4/302
Unfortunetly there is nothing we can do if some other task holds BH's
refenrence.  So we must return EBUSY in this case.  But we can try
kicking the journal to see if the other task releases the bh reference
after the commit is complete.  Also decrease false positives by
properly checking for ENOSPC and retrying the allocation after kicking
the journal --- which is done by ext4_should_retry_alloc().

[ Modified by tytso to properly check for ENOSPC. ]

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2014-11-05 11:52:38 -05:00
..
acl.c ext2/3/4: use generic posix ACL infrastructure 2014-01-25 23:58:19 -05:00
acl.h ext2/3/4: use generic posix ACL infrastructure 2014-01-25 23:58:19 -05:00
balloc.c ext4: move error report out of atomic context in ext4_init_block_bitmap() 2014-10-13 03:42:12 -04:00
bitmap.c ext4: Replace open coded mdata csum feature to helper function 2014-10-13 03:36:16 -04:00
block_validity.c fs/ext4: use rbtree postorder iteration helper instead of opencoding 2014-01-23 16:37:03 -08:00
dir.c ext4: convert ext4_bread() to use the ERR_PTR convention 2014-08-29 20:52:15 -04:00
ext4_extents.h ext4: teach ext4_ext_find_extent() to realloc path if necessary 2014-09-01 14:40:09 -04:00
ext4_jbd2.c ext4: fix over-defensive complaint after journal abort 2014-10-01 22:23:15 -04:00
ext4_jbd2.h ext4: don't use MAXQUOTAS value 2014-09-11 11:15:15 -04:00
ext4.h ext4: check s_chksum_driver when looking for bg csum presence 2014-10-14 02:35:49 -04:00
extents_status.c A large number of cleanups and bug fixes, with some (minor) journal 2014-10-20 09:50:11 -07:00
extents_status.h ext4: track extent status tree shrinker delay statictics 2014-09-01 22:26:49 -04:00
extents.c ext4: make ext4_ext_convert_to_initialized() return proper number of blocks 2014-10-30 10:53:17 -04:00
file.c ext4: prevent bugon on race between write/fcntl 2014-10-30 10:53:16 -04:00
fsync.c ext4: Fix fsync error handling after filesystem abort 2013-06-12 22:38:04 -04:00
hash.c ext4: reduce one "if" comparison in ext4_dirhash() 2013-02-01 22:33:21 -05:00
ialloc.c ext4: fix oops when loading block bitmap failed 2014-10-30 10:53:16 -04:00
indirect.c ext4: prepare to drop EXT4_STATE_DELALLOC_RESERVED 2014-09-04 18:07:25 -04:00
inline.c ext4: Replace open coded mdata csum feature to helper function 2014-10-13 03:36:16 -04:00
inode.c ext4: bail early when clearing inode journal flag fails 2014-10-30 10:53:17 -04:00
ioctl.c ext4: Replace open coded mdata csum feature to helper function 2014-10-13 03:36:16 -04:00
Kconfig ext4: fix Kconfig documentation for CONFIG_EXT4_DEBUG 2013-04-21 20:32:03 -04:00
Makefile ext4: Remove CONFIG_EXT4_FS_XATTR 2012-12-10 16:30:43 -05:00
mballoc.c A large number of cleanups and bug fixes, with some (minor) journal 2014-10-20 09:50:11 -07:00
mballoc.h ext4: remove unused ac_ex_scanned 2014-02-20 13:32:10 -05:00
migrate.c ext4: rename ext4_ext_find_extent() to ext4_find_extent() 2014-09-01 14:43:09 -04:00
mmp.c ext4: Replace open coded mdata csum feature to helper function 2014-10-13 03:36:16 -04:00
move_extent.c ext4: move_extent improve bh vanishing success factor 2014-11-05 11:52:38 -05:00
namei.c ext4: bail out from make_indexed_dir() on first error 2014-10-30 10:53:17 -04:00
page-io.c Clean ups and miscellaneous bug fixes, in particular for the new 2014-06-08 13:03:35 -07:00
resize.c ext4: fix overflow when updating superblock backups after resize 2014-10-30 10:52:57 -04:00
super.c ext4: remove extent status procfs files if journal load fails 2014-10-30 10:53:16 -04:00
symlink.c ext4: Remove CONFIG_EXT4_FS_XATTR 2012-12-10 16:30:43 -05:00
truncate.h ext4: move common truncate functions to header file 2011-06-27 19:16:04 -04:00
xattr_security.c Merge branch 'for_linus' into for_linus_merged 2012-01-10 11:54:07 -05:00
xattr_trusted.c ext2/3/4: delete unneeded includes of module.h 2012-01-09 13:52:10 +01:00
xattr_user.c ext2/3/4: delete unneeded includes of module.h 2012-01-09 13:52:10 +01:00
xattr.c ext4: Replace open coded mdata csum feature to helper function 2014-10-13 03:36:16 -04:00
xattr.h ext4: each filesystem creates and uses its own mb_cache 2014-03-18 19:24:49 -04:00