Jan Kara c92dc85684 ext4: defer saving error info from atomic context ... When filesystem inconsistency is detected with group locked, we currently try to modify superblock to store error there without blocking. However this can cause superblock checksum failures (or DIF/DIX failure) when the superblock is just being written out. Make error handling code just store error information in ext4_sb_info structure and copy it to on-disk superblock only in ext4_commit_super(). In case of error happening with group locked, we just postpone the superblock flushing to a workqueue. [ Added fixup so that s_first_error_* does not get updated after the file system is remounted. Also added fix for syzbot failure. - Ted ] Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20201127113405.26867-8-jack@suse.cz Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: Hillf Danton <hdanton@sina.com> Reported-by: syzbot+9043030c040ce1849a60@syzkaller.appspotmail.com		2020-12-22 13:07:49 -05:00
..
Kconfig	ext4: replace HTTP links with HTTPS ones	2020-08-06 01:01:57 -04:00
Makefile	ext4 / jbd2: add fast commit initialization	2020-10-21 23:22:26 -04:00
acl.c	ext4: main fast-commit commit path	2020-10-21 23:22:37 -04:00
acl.h	ext4: fix up remaining files with SPDX cleanups	2017-12-17 22:00:59 -05:00
balloc.c	ext4: use ASSERT() to replace J_ASSERT()	2020-12-03 09:36:57 -05:00
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: standardize error message in ext4_protect_reserved_inode()	2020-12-17 13:30:55 -05:00
dir.c	ext4: use generic casefolding support	2020-10-28 13:43:13 -04:00
ext4.h	ext4: defer saving error info from atomic context	2020-12-22 13:07:49 -05:00
ext4_extents.h	ext4: fix EXT_MAX_EXTENT/INDEX to check for zeroed eh_max	2020-06-03 23:16:49 -04:00
ext4_jbd2.c	ext4: make ext4_abort() use __ext4_error()	2020-12-17 13:30:55 -05:00
ext4_jbd2.h	ext4: add helpers for checking whether quota can be enabled/is journalled	2020-12-03 09:18:48 -05:00
extents.c	ext4: fix an IS_ERR() vs NULL check	2020-12-17 13:30:32 -05:00
extents_status.c	ext4: fast commit recovery path	2020-10-21 23:22:38 -04:00
extents_status.h	ext4: fix extent_status trace points	2020-01-25 02:03:03 -05:00
fast_commit.c	ext4: make fast_commit.h byte identical with e2fsprogs/fast_commit.h	2020-12-17 13:30:45 -05:00
fast_commit.h	ext4: make fast_commit.h byte identical with e2fsprogs/fast_commit.h	2020-12-17 13:30:45 -05:00
file.c	ext4: make s_mount_flags modifications atomic	2020-11-06 23:01:05 -05:00
fsmap.c	jbd2: rename j_maxlen to j_total_len and add jbd2_journal_max_txn_bufs	2020-11-06 23:01:02 -05:00
fsmap.h	ext4: fix up remaining files with SPDX cleanups	2017-12-17 22:00:59 -05:00
fsync.c	ext4: use ASSERT() to replace J_ASSERT()	2020-12-03 09:36:57 -05:00
hash.c	ext4: use generic casefolding support	2020-10-28 13:43:13 -04:00
ialloc.c	The siginificant new ext4 feature this time around is Harshad's new	2020-10-22 10:31:08 -07:00
indirect.c	ext4: use ASSERT() to replace J_ASSERT()	2020-12-03 09:36:57 -05:00
inline.c	ext4: unlock xattr_sem properly in ext4_inline_data_truncate()	2020-11-06 22:52:36 -05:00
inode-test.c	kunit: allow kunit tests to be loaded as a module	2020-01-09 16:42:29 -07:00
inode.c	ext4: make ext4_abort() use __ext4_error()	2020-12-17 13:30:55 -05:00
ioctl.c	ext4: fast commit recovery path	2020-10-21 23:22:38 -04:00
mballoc.c	ext4: fix a memory leak of ext4_free_data	2020-12-17 13:30:09 -05:00
mballoc.h	ext4: limit the length of per-inode prealloc list	2020-08-19 12:04:36 -04:00
migrate.c	ext4: handle ext4_mark_inode_dirty errors	2020-06-03 23:16:50 -04:00
mmp.c	ext4: use common helpers in all places reading metadata buffers	2020-10-18 10:37:14 -04:00
move_extent.c	ext4: use common helpers in all places reading metadata buffers	2020-10-18 10:37:14 -04:00
namei.c	ext4: use ASSERT() to replace J_ASSERT()	2020-12-03 09:36:57 -05:00
page-io.c	ext4: remove the null check of bio_vec page	2020-12-03 09:15:29 -05:00
readpage.c	Improvements to ext4's block allocator performance for very large file	2020-08-21 11:03:38 -07:00
resize.c	ext4: use ext4_sb_bread() instead of sb_bread()	2020-10-18 10:37:14 -04:00
super.c	ext4: defer saving error info from atomic context	2020-12-22 13:07:49 -05:00
symlink.c	ext4: switch to fscrypt_get_symlink()	2018-01-11 22:10:40 -05:00
sysfs.c	ext4: indicate that fast_commit is available via /sys/fs/ext4/feature/...	2020-10-28 13:43:22 -04:00
truncate.h	ext4: handle layout changes to pinned DAX mappings	2018-07-29 17:00:22 -04:00
verity.c	mm/readahead: make page_cache_ra_unbounded take a readahead_control	2020-10-16 11:11:16 -07:00
xattr.c	ext4: delete nonsensical (commented-out) code inside ext4_xattr_block_set()	2020-12-09 14:22:56 -05:00
xattr.h	ext4: support xattr gnu.* namespace for the Hurd	2020-06-12 13:23:34 -04:00
xattr_hurd.c	ext4: support xattr gnu.* namespace for the Hurd	2020-06-12 13:23:34 -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