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btrfs: Remove EXTENT_FIRST_DELALLOC bit

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With the refactoring introduced in 8b62f87bad ("Btrfs: reworki
outstanding_extents") this flag became unused. Remove it and renumber
the following flags accordingly. No functional changes.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2019-01-30 16:50:50 +02:00 committed by David Sterba
parent 9a0ec83d57
commit ba8f5206a4
2 changed files with 7 additions and 10 deletions
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2
fs/btrfs/extent_io.c
View File

@ -585,7 +585,6 @@ int __clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
if (delete)
bits |= ~EXTENT_CTLBITS;
bits |= EXTENT_FIRST_DELALLOC;
if (bits & (EXTENT_IOBITS | EXTENT_BOUNDARY))
clear = 1;
@ -850,7 +849,6 @@ __set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
btrfs_debug_check_extent_io_range(tree, start, end);
bits |= EXTENT_FIRST_DELALLOC;
again:
if (!prealloc && gfpflags_allow_blocking(mask)) {
/*

15
fs/btrfs/extent_io.h
View File

@ -18,17 +18,16 @@
#define EXTENT_BOUNDARY (1U << 9)
#define EXTENT_NODATASUM (1U << 10)
#define EXTENT_CLEAR_META_RESV (1U << 11)
#define EXTENT_FIRST_DELALLOC (1U << 12)
#define EXTENT_NEED_WAIT (1U << 13)
#define EXTENT_DAMAGED (1U << 14)
#define EXTENT_NORESERVE (1U << 15)
#define EXTENT_QGROUP_RESERVED (1U << 16)
#define EXTENT_CLEAR_DATA_RESV (1U << 17)
#define EXTENT_DELALLOC_NEW (1U << 18)
#define EXTENT_NEED_WAIT (1U << 12)
#define EXTENT_DAMAGED (1U << 13)
#define EXTENT_NORESERVE (1U << 14)
#define EXTENT_QGROUP_RESERVED (1U << 15)
#define EXTENT_CLEAR_DATA_RESV (1U << 16)
#define EXTENT_DELALLOC_NEW (1U << 17)
#define EXTENT_IOBITS (EXTENT_LOCKED | EXTENT_WRITEBACK)
#define EXTENT_DO_ACCOUNTING (EXTENT_CLEAR_META_RESV | \
EXTENT_CLEAR_DATA_RESV)
#define EXTENT_CTLBITS (EXTENT_DO_ACCOUNTING | EXTENT_FIRST_DELALLOC)
#define EXTENT_CTLBITS (EXTENT_DO_ACCOUNTING)
/*
* flags for bio submission. The high bits indicate the compression