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| author | Chris Mason <chris.mason@oracle.com> | 2008-01-08 15:46:31 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:59 -0400 |
| commit | b0331a4c4c339ba7786472b137d6ece9e7f810ec (patch) | |
| tree | 6c9727d36f1836304d927014a088e9ec67b40a59 | |
| parent | e2008b61401ecb467a8ce1788fcd2116ae1cfbc1 (diff) | |
| download | op-kernel-dev-b0331a4c4c339ba7786472b137d6ece9e7f810ec.zip op-kernel-dev-b0331a4c4c339ba7786472b137d6ece9e7f810ec.tar.gz | |
Btrfs: Disable btree reada during extent backref lookups.
This reada is generally not effective.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
| -rw-r--r-- | fs/btrfs/extent-tree.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 68137cd..660b05a 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -630,6 +630,7 @@ int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; + path->reada = 0; key.objectid = bytenr; btrfs_set_key_type(&key, BTRFS_EXTENT_ITEM_KEY); key.offset = num_bytes; @@ -649,6 +650,7 @@ int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, btrfs_release_path(root->fs_info->extent_root, path); + path->reada = 0; ret = btrfs_insert_extent_backref(trans, root->fs_info->extent_root, path, bytenr, root_objectid, ref_generation, owner, owner_offset); @@ -680,6 +682,7 @@ static int lookup_extent_ref(struct btrfs_trans_handle *trans, WARN_ON(num_bytes < root->sectorsize); path = btrfs_alloc_path(); + path->reada = 0; key.objectid = bytenr; key.offset = num_bytes; btrfs_set_key_type(&key, BTRFS_EXTENT_ITEM_KEY); @@ -1240,6 +1243,7 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root if (!path) return -ENOMEM; + path->reada = 0; ret = lookup_extent_backref(trans, extent_root, path, bytenr, root_objectid, ref_generation, |
