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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-05-13 23:02:19 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2018-05-13 23:02:19 -0400 |
| commit | c89128a008381478121a76537762eb3a62052971 (patch) | |
| tree | cd2c288c593548436d55a79e790b5f1d33dc6bd5 /fs/jbd2 | |
| parent | db6516a5e7ddb6dc72d167b920f2f272596ea22d (diff) | |
| download | linux-stable-c89128a008381478121a76537762eb3a62052971.tar.gz linux-stable-c89128a008381478121a76537762eb3a62052971.tar.bz2 linux-stable-c89128a008381478121a76537762eb3a62052971.zip | |
ext4: handle errors on ext4_commit_super
When remounting ext4 from ro to rw, currently it allows its transition,
even if ext4_commit_super() returns EIO. Even worse thing is, after that,
fs/buffer complains buffer dirty bits like:
Call trace:
[<ffffff9750c259dc>] mark_buffer_dirty+0x184/0x1a4
[<ffffff9750cb398c>] __ext4_handle_dirty_super+0x4c/0xfc
[<ffffff9750c7a9fc>] ext4_file_open+0x154/0x1c0
[<ffffff9750bea51c>] do_dentry_open+0x114/0x2d0
[<ffffff9750bea75c>] vfs_open+0x5c/0x94
[<ffffff9750bf879c>] path_openat+0x668/0xfe8
[<ffffff9750bf8088>] do_filp_open+0x74/0x120
[<ffffff9750beac98>] do_sys_open+0x148/0x254
[<ffffff9750beade0>] SyS_openat+0x10/0x18
[<ffffff9750a83ab0>] el0_svc_naked+0x24/0x28
EXT4-fs (dm-1): previous I/O error to superblock detected
Buffer I/O error on dev dm-1, logical block 0, lost sync page write
EXT4-fs (dm-1): re-mounted. Opts: (null)
Buffer I/O error on dev dm-1, logical block 80, lost async page write
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/jbd2')
0 files changed, 0 insertions, 0 deletions