On 2018/8/23 上午3:14, Liu Bo wrote: > As next_state() is already defined to get the next state, update us to use > the helper. > > No functional changes. > > Signed-off-by: Liu Bo <[email protected]>
Reviewed-by: Qu Wenruo <[email protected]> Thanks, Qu > --- > fs/btrfs/extent_io.c | 7 +------ > 1 file changed, 1 insertion(+), 6 deletions(-) > > diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c > index 628f1aef34b0..44397fa909c2 100644 > --- a/fs/btrfs/extent_io.c > +++ b/fs/btrfs/extent_io.c > @@ -1424,20 +1424,15 @@ int find_first_extent_bit(struct extent_io_tree > *tree, u64 start, > struct extent_state **cached_state) > { > struct extent_state *state; > - struct rb_node *n; > int ret = 1; > > spin_lock(&tree->lock); > if (cached_state && *cached_state) { > state = *cached_state; > if (state->end == start - 1 && extent_state_in_tree(state)) { > - n = rb_next(&state->rb_node); > - while (n) { > - state = rb_entry(n, struct extent_state, > - rb_node); > + while ((state = next_state(state)) != NULL) { > if (state->state & bits) > goto got_it; > - n = rb_next(n); > } > free_extent_state(*cached_state); > *cached_state = NULL; >
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