diff options
| author | Chunhai Guo <[email protected]> | 2023-07-10 12:25:31 +0800 |
|---|---|---|
| committer | Gao Xiang <[email protected]> | 2023-07-12 00:50:33 +0800 |
| commit | 936aa701d82d397c2d1afcd18ce2c739471d978d (patch) | |
| tree | acfbee01d028d411f4c7820321be5466121badbb /tools/testing/selftests/bpf/progs/test_prog_array_init.c | |
| parent | c5539762f32e97c5e16215fa1336e32095b8b0fd (diff) | |
erofs: avoid useless loops in z_erofs_pcluster_readmore() when reading beyond EOF
z_erofs_pcluster_readmore() may take a long time to loop when the page
offset is large enough, which is unnecessary should be prevented.
For example, when the following case is encountered, it will loop 4691368
times, taking about 27 seconds:
- offset = 19217289215
- inode_size = 1442672
Signed-off-by: Chunhai Guo <[email protected]>
Fixes: 386292919c25 ("erofs: introduce readmore decompression strategy")
Reviewed-by: Gao Xiang <[email protected]>
Reviewed-by: Yue Hu <[email protected]>
Reviewed-by: Chao Yu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Gao Xiang <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_prog_array_init.c')
0 files changed, 0 insertions, 0 deletions