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| author | Chris Mason <chris.mason@oracle.com> | 2008-08-20 15:44:52 +0200 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 17:04:06 +0200 |
| commit | 4d1b5fb4d7075f862848dbff8873e22382abd482 (patch) | |
| tree | 2b68d05910f50c9e385890816e78eda6e8e6e55a /fs/btrfs/file-item.c | |
| parent | Btrfs: Fix add_extent_mapping to check for duplicates across the whole range (diff) | |
| download | linux-4d1b5fb4d7075f862848dbff8873e22382abd482.tar.xz linux-4d1b5fb4d7075f862848dbff8873e22382abd482.zip | |
Btrfs: Lookup readpage checksums on bio submission again
This optimization had been removed because I thought it was triggering
csum errors. The real cause of the errors was elsewhere, and so
this optimization is back.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/file-item.c')
| -rw-r--r-- | fs/btrfs/file-item.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 9454e0a07c89..f861bd506928 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -134,7 +134,6 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans, return ret; } -#if 0 /* broken */ int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode, struct bio *bio) { @@ -151,6 +150,8 @@ int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode, struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree; path = btrfs_alloc_path(); + if (bio->bi_size > PAGE_CACHE_SIZE * 8) + path->reada = 2; WARN_ON(bio->bi_vcnt <= 0); @@ -211,7 +212,6 @@ found: btrfs_free_path(path); return 0; } -#endif int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode, struct bio *bio) |