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| author | Kaho Ng <ngkaho1234@gmail.com> | 2016-04-27 19:11:31 +0800 |
|---|---|---|
| committer | Kaho Ng <ngkaho1234@gmail.com> | 2016-04-30 16:18:00 +0800 |
| commit | 8281a97813ef19452be1ce6ec1a6c40e483f12f1 (patch) | |
| tree | 46fe725d3b7de77cc98268b2d571a6fa45f37550 /include/ext4_bcache.h | |
| parent | 2a5abdbf8c1375f83edde31831cd8b0bb36bc6d8 (diff) | |
ext4_journal: numorous changes.
- Do not utilize jbd_block_rec::buf because it can be unreliable that
jbd_block_rec::buf may be freed.
- Do not need to flush buffers before a new transaction is going to reference
them.
- add some comments to the changes.
Diffstat (limited to 'include/ext4_bcache.h')
| -rw-r--r-- | include/ext4_bcache.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/ext4_bcache.h b/include/ext4_bcache.h index bceb75a..b7ae438 100644 --- a/include/ext4_bcache.h +++ b/include/ext4_bcache.h @@ -239,6 +239,12 @@ struct ext4_buf *ext4_buf_lowest_lru(struct ext4_bcache *bc); * @param buf buffer*/ void ext4_bcache_drop_buf(struct ext4_bcache *bc, struct ext4_buf *buf); +/**@brief Invalidate a buffer. + * @param bc block cache descriptor + * @param buf buffer*/ +void ext4_bcache_invalidate_buf(struct ext4_bcache *bc, + struct ext4_buf *buf); + /**@brief Invalidate a range of buffers. * @param bc block cache descriptor * @param from starting lba |