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| author | David Sterba <dsterba@suse.com> | 2016-11-08 15:32:43 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-11-30 15:45:15 +0300 |
| commit | 04998b3324fc8aa8f0af9b820e865f8c9665120c (patch) | |
| tree | 9bcd85e8eb873bcbb27288e5e3601d9351162772 /fs/btrfs/reada.c | |
| parent | ef2fff64fd541af1e23eeae48d6ffdfcd92ae2a3 (diff) | |
| download | linux-04998b3324fc8aa8f0af9b820e865f8c9665120c.tar.xz | |
btrfs: reada, cleanup remove unneeded variable in __readahead_hook
We can't touch the eb directly in case the function is called with a
non-zero error, so we can read the eb level when needed.
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/reada.c')
| -rw-r--r-- | fs/btrfs/reada.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index f7dd892669a5..84a5beb48d46 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -109,16 +109,12 @@ static void __readahead_hook(struct btrfs_fs_info *fs_info, struct reada_extent *re, struct extent_buffer *eb, u64 start, int err) { - int level = 0; int nritems; int i; u64 bytenr; u64 generation; struct list_head list; - if (eb) - level = btrfs_header_level(eb); - spin_lock(&re->lock); /* * just take the full list from the extent. afterwards we @@ -143,7 +139,7 @@ static void __readahead_hook(struct btrfs_fs_info *fs_info, * trigger more readahead depending from the content, e.g. * fetch the checksums for the extents in the leaf. */ - if (!level) + if (!btrfs_header_level(eb)) goto cleanup; nritems = btrfs_header_nritems(eb); |