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btrfs: convert extent_io page op defines to enum bits

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Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2022-09-09 17:31:38 +02:00
parent c7321b76df
commit fd8d2951f4
1 changed files with 10 additions and 7 deletions
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17
fs/btrfs/extent_io.h
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@ -9,6 +9,7 @@
#include <linux/btrfs_tree.h>
#include "compression.h"
#include "ulist.h"
#include "misc.h"
enum {
EXTENT_BUFFER_UPTODATE,
@ -29,13 +30,15 @@ enum {
};
/* these are flags for __process_pages_contig */
#define PAGE_UNLOCK (1 << 0)
/* Page starts writeback, clear dirty bit and set writeback bit */
#define PAGE_START_WRITEBACK (1 << 1)
#define PAGE_END_WRITEBACK (1 << 2)
#define PAGE_SET_ORDERED (1 << 3)
#define PAGE_SET_ERROR (1 << 4)
#define PAGE_LOCK (1 << 5)
enum {
ENUM_BIT(PAGE_UNLOCK),
/* Page starts writeback, clear dirty bit and set writeback bit */
ENUM_BIT(PAGE_START_WRITEBACK),
ENUM_BIT(PAGE_END_WRITEBACK),
ENUM_BIT(PAGE_SET_ORDERED),
ENUM_BIT(PAGE_SET_ERROR),
ENUM_BIT(PAGE_LOCK),
};
/*
* page->private values. Every page that is controlled by the extent