diff options
| author | zhanchengbin <zhanchengbin1@huawei.com> | 2023-01-03 10:28:12 +0800 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2023-02-18 23:58:28 -0500 |
| commit | 3f5424790d4377839093b68c12b130077a4e4510 (patch) | |
| tree | 9052cdfd321d4cee3c6dcafb7c9b6de062dae338 /fs/hpfs | |
| parent | f31173c19901a96bb2ebf6bcfec8a08df7095c91 (diff) | |
ext4: fix inode tree inconsistency caused by ENOMEM
If ENOMEM fails when the extent is splitting, we need to restore the length
of the split extent.
In the ext4_split_extent_at function, only in ext4_ext_create_new_leaf will
it alloc memory and change the shape of the extent tree,even if an ENOMEM
is returned at this time, the extent tree is still self-consistent, Just
restore the split extent lens in the function ext4_split_extent_at.
ext4_split_extent_at
ext4_ext_insert_extent
ext4_ext_create_new_leaf
1)ext4_ext_split
ext4_find_extent
2)ext4_ext_grow_indepth
ext4_find_extent
Signed-off-by: zhanchengbin <zhanchengbin1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230103022812.130603-1-zhanchengbin1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/hpfs')
0 files changed, 0 insertions, 0 deletions