From 745699ef6292bc7c85c08c9435c3f47ed413d3e9 Mon Sep 17 00:00:00 2001 From: Xiaoguang Wang Date: Fri, 23 Sep 2016 12:38:50 +0800 Subject: [PATCH] btrfs: remove useless comments Fixes: ("btrfs: update btrfs_space_info's bytes_may_use timely") Signed-off-by: Wang Xiaoguang Signed-off-by: David Sterba --- fs/btrfs/extent-tree.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 62b6e2023e12..add799b90ce5 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -6499,16 +6499,9 @@ void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg) * @num_bytes: The number of bytes in question * @delalloc: The blocks are allocated for the delalloc write * - * This is called by the allocator when it reserves space. Metadata - * reservations should be called with RESERVE_ALLOC so we do the proper - * ENOSPC accounting. For data we handle the reservation through clearing the - * delalloc bits in the io_tree. We have to do this since we could end up - * allocating less disk space for the amount of data we have reserved in the - * case of compression. - * - * If this is a reservation and the block group has become read only we cannot - * make the reservation and return -EAGAIN, otherwise this function always - * succeeds. + * This is called by the allocator when it reserves space. If this is a + * reservation and the block group has become read only we cannot make the + * reservation and return -EAGAIN, otherwise this function always succeeds. */ static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, u64 ram_bytes, u64 num_bytes, int delalloc) -- 2.45.2