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| author | David Sterba <dsterba@suse.com> | 2015-11-27 16:31:35 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-01-07 15:01:15 +0100 |
| commit | e4058b54d1e442b6b3eca949f0d63d49ba2b020d (patch) | |
| tree | dead11c1b6c35da853a74f133f45f55ffd107e4f /fs/btrfs/ctree.c | |
| parent | 4d4ab6d6bc05ba65169de9a5391e6ccbe09d8719 (diff) | |
| download | linux-e4058b54d1e442b6b3eca949f0d63d49ba2b020d.tar.gz linux-e4058b54d1e442b6b3eca949f0d63d49ba2b020d.tar.bz2 linux-e4058b54d1e442b6b3eca949f0d63d49ba2b020d.zip | |
btrfs: cleanup, use enum values for btrfs_path reada
Replace the integers by enums for better readability. The value 2 does
not have any meaning since a717531942f488209dded30f6bc648167bcefa72
"Btrfs: do less aggressive btree readahead" (2009-01-22).
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ctree.c')
| -rw-r--r-- | fs/btrfs/ctree.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 5b8e235c4b6d..be1be0422ff4 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -2248,7 +2248,6 @@ static void reada_for_search(struct btrfs_root *root, u64 target; u64 nread = 0; u64 gen; - int direction = path->reada; struct extent_buffer *eb; u32 nr; u32 blocksize; @@ -2276,16 +2275,16 @@ static void reada_for_search(struct btrfs_root *root, nr = slot; while (1) { - if (direction < 0) { + if (path->reada == READA_BACK) { if (nr == 0) break; nr--; - } else if (direction > 0) { + } else if (path->reada == READA_FORWARD) { nr++; if (nr >= nritems) break; } - if (path->reada < 0 && objectid) { + if (path->reada == READA_BACK && objectid) { btrfs_node_key(node, &disk_key, nr); if (btrfs_disk_key_objectid(&disk_key) != objectid) break; @@ -2493,7 +2492,7 @@ read_block_for_search(struct btrfs_trans_handle *trans, btrfs_set_path_blocking(p); free_extent_buffer(tmp); - if (p->reada) + if (p->reada != READA_NONE) reada_for_search(root, p, level, slot, key->objectid); btrfs_release_path(p); |