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| author | Kemeng Shi <shikemeng@huaweicloud.com> | 2023-03-04 01:21:01 +0800 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2023-04-06 01:13:03 -0400 |
| commit | b07ffe6927c75d99af534d685282ea188d9f71a6 (patch) | |
| tree | 5b18d8c8b296689625ceed3c701ea1e2dbdfe5f7 /tools/perf/scripts/python/bin | |
| parent | ext4: remove unused group parameter in ext4_block_bitmap_csum_set (diff) | |
| download | linux-b07ffe6927c75d99af534d685282ea188d9f71a6.tar.gz linux-b07ffe6927c75d99af534d685282ea188d9f71a6.zip | |
ext4: set goal start correctly in ext4_mb_normalize_request
We need to set ac_g_ex to notify the goal start used in
ext4_mb_find_by_goal. Set ac_g_ex instead of ac_f_ex in
ext4_mb_normalize_request.
Besides we should assure goal start is in range [first_data_block,
blocks_count) as ext4_mb_initialize_context does.
[ Added a check to make sure size is less than ar->pright; otherwise
we could end up passing an underflowed value of ar->pright - size to
ext4_get_group_no_and_offset(), which will trigger a BUG_ON later on.
- TYT ]
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20230303172120.3800725-2-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'tools/perf/scripts/python/bin')
0 files changed, 0 insertions, 0 deletions