diff options
| author | Qu Wenruo <[email protected]> | 2021-02-04 15:03:24 +0800 |
|---|---|---|
| committer | David Sterba <[email protected]> | 2021-02-22 17:15:27 +0100 |
| commit | 04d4ba4c90759844fb4ffa735214c1c41508d2f7 (patch) | |
| tree | 5051352ad48a4aa9310497d1448ec0fad103d144 /fs/jbd2/commit.c | |
| parent | be6a13613fd35602ea9e65d6634cf7af79f0a93d (diff) | |
btrfs: make check_compressed_csum() to be subpage compatible
Currently check_compressed_csum() completely relies on sectorsize ==
PAGE_SIZE to do checksum verification for compressed extents.
To make it subpage compatible, this patch will:
- Do extra calculation for the csum range
Since we have multiple sectors inside a page, we need to only hash
the range we want, not the full page anymore.
- Do sector-by-sector hash inside the page
With this patch and previous conversion on
btrfs_submit_compressed_read(), now we can read subpage compressed
extents properly, and do proper csum verification.
Reviewed-by: Anand Jain <[email protected]>
Signed-off-by: Qu Wenruo <[email protected]>
Signed-off-by: David Sterba <[email protected]>
Diffstat (limited to 'fs/jbd2/commit.c')
0 files changed, 0 insertions, 0 deletions