From 8882679ea50b9ceb8b86cbceb061322a97876534 Mon Sep 17 00:00:00 2001 From: Nikolay Borisov Date: Thu, 14 Mar 2019 15:28:31 +0200 Subject: [PATCH] btrfs: Remove EXTENT_IOBITS This flag just became synonymous to EXTENT_LOCKED, so just remove it and used EXTENT_LOCKED directly. No functional changes. Signed-off-by: Nikolay Borisov Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/extent_io.c | 11 +++++------ fs/btrfs/extent_io.h | 1 - 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 5725adfb19c9..cc3941ae1ff6 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -403,7 +403,7 @@ static void merge_state(struct extent_io_tree *tree, struct extent_state *other; struct rb_node *other_node; - if (state->state & (EXTENT_IOBITS | EXTENT_BOUNDARY)) + if (state->state & (EXTENT_LOCKED | EXTENT_BOUNDARY)) return; other_node = rb_prev(&state->rb_node); @@ -622,7 +622,7 @@ int __clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, if (delete) bits |= ~EXTENT_CTLBITS; - if (bits & (EXTENT_IOBITS | EXTENT_BOUNDARY)) + if (bits & (EXTENT_LOCKED | EXTENT_BOUNDARY)) clear = 1; again: if (!prealloc && gfpflags_allow_blocking(mask)) { @@ -854,7 +854,7 @@ static void cache_state(struct extent_state *state, struct extent_state **cached_ptr) { return cache_state_if_flags(state, cached_ptr, - EXTENT_IOBITS | EXTENT_BOUNDARY); + EXTENT_LOCKED | EXTENT_BOUNDARY); } /* @@ -4173,10 +4173,9 @@ static int try_release_extent_state(struct extent_io_tree *tree, u64 end = start + PAGE_SIZE - 1; int ret = 1; - if (test_range_bit(tree, start, end, - EXTENT_IOBITS, 0, NULL)) + if (test_range_bit(tree, start, end, EXTENT_LOCKED, 0, NULL)) { ret = 0; - else { + } else { /* * at this point we can safely clear everything except the * locked bit and the nodatasum bit diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index a1dc61b7945d..1e5be66c7e0b 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -23,7 +23,6 @@ #define EXTENT_QGROUP_RESERVED (1U << 12) #define EXTENT_CLEAR_DATA_RESV (1U << 13) #define EXTENT_DELALLOC_NEW (1U << 14) -#define EXTENT_IOBITS (EXTENT_LOCKED) #define EXTENT_DO_ACCOUNTING (EXTENT_CLEAR_META_RESV | \ EXTENT_CLEAR_DATA_RESV) #define EXTENT_CTLBITS (EXTENT_DO_ACCOUNTING)