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| author | Li Zefan <lizf@cn.fujitsu.com> | 2012-03-12 16:39:28 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2012-04-18 19:22:16 +0200 |
| commit | 8e52acf70459020d7e9e9fda25066be4da520943 (patch) | |
| tree | f6c63a909414958b3a8155fa83b17ea1c3c10525 | |
| parent | 871383be592ba7e819d27556591e315a0df38cee (diff) | |
| download | linux-8e52acf70459020d7e9e9fda25066be4da520943.tar.gz linux-8e52acf70459020d7e9e9fda25066be4da520943.tar.bz2 linux-8e52acf70459020d7e9e9fda25066be4da520943.zip | |
Btrfs: retrurn void from clear_state_bit
Currently it returns a set of bits that were cleared, but this return
value is not used at all.
Moreover it doesn't seem to be useful, because we may clear the bits
of a few extent_states, but only the cleared bits of last one is
returned.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
| -rw-r--r-- | fs/btrfs/extent_io.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 4789770f8eaf..05951bdf72cc 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -404,18 +404,16 @@ static int split_state(struct extent_io_tree *tree, struct extent_state *orig, /* * utility function to clear some bits in an extent state struct. - * it will optionally wake up any one waiting on this state (wake == 1), or - * forcibly remove the state from the tree (delete == 1). + * it will optionally wake up any one waiting on this state (wake == 1) * * If no bits are set on the state struct after clearing things, the * struct is freed and removed from the tree */ -static int clear_state_bit(struct extent_io_tree *tree, +static void clear_state_bit(struct extent_io_tree *tree, struct extent_state *state, int *bits, int wake) { int bits_to_clear = *bits & ~EXTENT_CTLBITS; - int ret = state->state & bits_to_clear; if ((bits_to_clear & EXTENT_DIRTY) && (state->state & EXTENT_DIRTY)) { u64 range = state->end - state->start + 1; @@ -437,7 +435,6 @@ static int clear_state_bit(struct extent_io_tree *tree, } else { merge_state(tree, state); } - return ret; } static struct extent_state * |