diff options
| 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 /src/ext4_blockdev.c | |
| 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 'src/ext4_blockdev.c')
| -rw-r--r-- | src/ext4_blockdev.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/ext4_blockdev.c b/src/ext4_blockdev.c index 4b33cd2..19653bb 100644 --- a/src/ext4_blockdev.c +++ b/src/ext4_blockdev.c @@ -41,6 +41,8 @@ #include "ext4_debug.h" #include "ext4_blockdev.h" +#include "ext4_fs.h" +#include "ext4_journal.h" #include <string.h> #include <stdlib.h> @@ -188,6 +190,8 @@ int ext4_block_cache_shake(struct ext4_blockdev *bdev) if (bdev->bc->dont_shake) return EOK; + bdev->bc->dont_shake = true; + while (!RB_EMPTY(&bdev->bc->lru_root) && ext4_bcache_is_full(bdev->bc)) { @@ -202,6 +206,7 @@ int ext4_block_cache_shake(struct ext4_blockdev *bdev) ext4_bcache_drop_buf(bdev->bc, buf); } + bdev->bc->dont_shake = false; return r; } |