linux_dsm_epyc7002/fs
Lukas Czerner 6dd834effc ext4: fix extent merging in ext4_ext_shift_path_extents()
There is a bug in ext4_ext_shift_path_extents() where if we actually
manage to merge a extent we would skip shifting the next extent. This
will result in in one extent in the extent tree not being properly
shifted.

This is causing failure in various xfstests tests using fsx or fsstress
with collapse range support. It will also cause file system corruption
which looks something like:

 e2fsck 1.42.9 (4-Feb-2014)
 Pass 1: Checking inodes, blocks, and sizes
 Inode 20 has out of order extents
        (invalid logical block 3, physical block 492938, len 2)
 Clear? yes
 ...

when running e2fsck.

It's also very easily reproducible just by running fsx without any
parameters. I can usually hit the problem within a minute.

Fix it by increasing ex_start only if we're not merging the extent.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
2014-04-18 10:55:24 -04:00
..
9p mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00
adfs fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
affs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
afs mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00
autofs4
befs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
bfs mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00
btrfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
cachefiles Merge branch 'cross-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 2014-04-04 14:03:05 -07:00
ceph fs: disallow all fallocate operation on active swapfile 2014-04-12 10:05:37 -04:00
cifs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
coda Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
configfs
cramfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
debugfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
devpts fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
dlm
ecryptfs Merge branch 'cross-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 2014-04-04 14:03:05 -07:00
efivarfs
efs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
exofs mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00
exportfs
ext2 Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
ext3 Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
ext4 ext4: fix extent merging in ext4_ext_shift_path_extents() 2014-04-18 10:55:24 -04:00
f2fs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
fat Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
freevxfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
fscache
fuse Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
gfs2 Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
hfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
hfsplus Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
hostfs mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00
hpfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
hppfs
hugetlbfs mm, hugetlb: unify region structure handling 2014-04-03 16:20:59 -07:00
isofs fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
jbd
jbd2 jbd2: improve error messages for inconsistent journal heads 2014-03-12 16:38:03 -04:00
jffs2 Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
jfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
kernfs Merge branch 'akpm' (incoming from Andrew) 2014-04-03 16:22:16 -07:00
lockd
logfs mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00
minix Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
ncpfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
nfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
nfs_common
nfsd Merge branch 'cross-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 2014-04-04 14:03:05 -07:00
nilfs2 Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
nls
notify fanotify: move unrelated handling from copy_event_to_user() 2014-04-03 16:20:51 -07:00
ntfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
ocfs2 Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
omfs mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00
openpromfs fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
proc Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
pstore Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
qnx4 fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
qnx6 fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
quota quota: provide function to grab quota structure reference 2014-04-03 16:20:54 -07:00
ramfs
reiserfs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
romfs fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
squashfs fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
sysfs Revert "sysfs, driver-core: remove unused {sysfs|device}_schedule_callback_owner()" 2014-03-25 20:54:57 -07:00
sysv Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
ubifs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
udf Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
ufs Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
xfs fs: move falloc collapse range check into the filesystem methods 2014-04-12 09:56:41 -04:00
aio.c
anon_inodes.c vfs: Allocate anon_inode_inode in anon_inode_init() 2014-03-27 09:52:54 -07:00
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c
binfmt_elf.c fs, kernel: permit disabling the uselib syscall 2014-04-03 16:21:05 -07:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c binfmt_misc: add missing 'break' statement 2014-04-03 16:21:16 -07:00
binfmt_script.c
binfmt_som.c
bio-integrity.c Merge branch 'for-3.15/core' of git://git.kernel.dk/linux-block 2014-04-01 19:19:15 -07:00
bio.c Merge branch 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2014-04-03 13:05:42 -07:00
block_dev.c mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00
buffer.c
char_dev.c
compat_binfmt_elf.c
compat_ioctl.c
compat.c Merge branch 'locks-3.15' of git://git.samba.org/jlayton/linux 2014-04-04 14:21:20 -07:00
coredump.c
dcache.c vfs: add cross-rename 2014-04-01 17:08:43 +02:00
dcookies.c
direct-io.c xfs: update for 3.15-rc1 2014-04-04 15:50:08 -07:00
drop_caches.c drop_caches: add some documentation and info message 2014-04-03 16:21:04 -07:00
eventfd.c
eventpoll.c
exec.c fs, kernel: permit disabling the uselib syscall 2014-04-03 16:21:05 -07:00
fcntl.c locks: add new fcntl cmd values for handling file private locks 2014-03-31 08:24:43 -04:00
fhandle.c
file_table.c Merge branch 'locks-3.15' of git://git.samba.org/jlayton/linux 2014-04-04 14:21:20 -07:00
file.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-03-31 11:05:24 -07:00
filesystems.c sys_sysfs: Add CONFIG_SYSFS_SYSCALL 2014-04-03 16:21:05 -07:00
fs_struct.c
fs-writeback.c One of the main highlights this time, is not the patches themselves 2014-04-04 14:49:16 -07:00
inode.c Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
internal.h
ioctl.c
ioprio.c
Kconfig
Kconfig.binfmt
libfs.c
locks.c locks: make locks_mandatory_area check for file-private locks 2014-03-31 08:24:43 -04:00
Makefile
mbcache.c ext4: each filesystem creates and uses its own mb_cache 2014-03-18 19:24:49 -04:00
mount.h switch mnt_hash to hlist 2014-03-30 19:18:51 -04:00
mpage.c
namei.c Merge branch 'locks-3.15' of git://git.samba.org/jlayton/linux 2014-04-04 14:21:20 -07:00
namespace.c switch mnt_hash to hlist 2014-03-30 19:18:51 -04:00
no-block.c
open.c fs: disallow all fallocate operation on active swapfile 2014-04-12 10:05:37 -04:00
pipe.c
pnode.c switch mnt_hash to hlist 2014-03-30 19:18:51 -04:00
pnode.h switch mnt_hash to hlist 2014-03-30 19:18:51 -04:00
posix_acl.c One of the main highlights this time, is not the patches themselves 2014-04-04 14:49:16 -07:00
proc_namespace.c
read_write.c Merge branch 'compat' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2014-03-31 14:32:17 -07:00
readdir.c
select.c
seq_file.c
signalfd.c
splice.c
stack.c
stat.c
statfs.c
super.c fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
sync.c
timerfd.c
utimes.c
xattr.c