Re: [PATCH v2 1/6] Btrfs: remove superfluous free_extent_buffer
On 2018年05月18日 11:00, Liu Bo wrote: > read_block_for_search() can be simplified as, > > tmp = find_extent_buffer(); > if (tmp) >return; > > free_extent_buffer(); > read_tree_block(); > > Apparently, @tmp must be NULL at this point, free_extent_buffer() is not > needed.> > Signed-off-by: Liu Bo Reviewed-by: Qu wenruo Thanks, Qu > --- > fs/btrfs/ctree.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c > index b3f6f300e492..9fa3d77c98d4 100644 > --- a/fs/btrfs/ctree.c > +++ b/fs/btrfs/ctree.c > @@ -2432,7 +2432,6 @@ noinline void btrfs_unlock_up_safe(struct btrfs_path > *path, int level) > btrfs_unlock_up_safe(p, level + 1); > btrfs_set_path_blocking(p); > > - free_extent_buffer(tmp); > if (p->reada != READA_NONE) > reada_for_search(fs_info, p, level, slot, key->objectid); > > signature.asc Description: OpenPGP digital signature
[PATCH v2 1/6] Btrfs: remove superfluous free_extent_buffer
read_block_for_search() can be simplified as, tmp = find_extent_buffer(); if (tmp) return; free_extent_buffer(); read_tree_block(); Apparently, @tmp must be NULL at this point, free_extent_buffer() is not needed. Signed-off-by: Liu Bo --- fs/btrfs/ctree.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index b3f6f300e492..9fa3d77c98d4 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -2432,7 +2432,6 @@ noinline void btrfs_unlock_up_safe(struct btrfs_path *path, int level) btrfs_unlock_up_safe(p, level + 1); btrfs_set_path_blocking(p); - free_extent_buffer(tmp); if (p->reada != READA_NONE) reada_for_search(fs_info, p, level, slot, key->objectid); -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
