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btrfs: switch BTRFS_ORDERED_* to enums

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We can use simple enum for values that are not part of on-disk format:
ordered extent flags.

Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2018-11-27 15:17:47 +01:00
parent 50b5b6020f
commit 5b840301ac
1 changed files with 25 additions and 20 deletions
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45
fs/btrfs/ordered-data.h
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@ -37,26 +37,31 @@ struct btrfs_ordered_sum {
* rbtree, just before waking any waiters. It is used to indicate the
* IO is done and any metadata is inserted into the tree.
*/
#define BTRFS_ORDERED_IO_DONE 0 /* set when all the pages are written */
#define BTRFS_ORDERED_COMPLETE 1 /* set when removed from the tree */
#define BTRFS_ORDERED_NOCOW 2 /* set when we want to write in place */
#define BTRFS_ORDERED_COMPRESSED 3 /* writing a zlib compressed extent */
#define BTRFS_ORDERED_PREALLOC 4 /* set when writing to preallocated extent */
#define BTRFS_ORDERED_DIRECT 5 /* set when we're doing DIO with this extent */
#define BTRFS_ORDERED_IOERR 6 /* We had an io error when writing this out */
#define BTRFS_ORDERED_UPDATED_ISIZE 7 /* indicates whether this ordered extent
* has done its due diligence in updating
* the isize. */
#define BTRFS_ORDERED_TRUNCATED 8 /* Set when we have to truncate an extent */
#define BTRFS_ORDERED_REGULAR 10 /* Regular IO for COW */
enum {
/* set when all the pages are written */
BTRFS_ORDERED_IO_DONE,
/* set when removed from the tree */
BTRFS_ORDERED_COMPLETE,
/* set when we want to write in place */
BTRFS_ORDERED_NOCOW,
/* writing a zlib compressed extent */
BTRFS_ORDERED_COMPRESSED,
/* set when writing to preallocated extent */
BTRFS_ORDERED_PREALLOC,
/* set when we're doing DIO with this extent */
BTRFS_ORDERED_DIRECT,
/* We had an io error when writing this out */
BTRFS_ORDERED_IOERR,
/*
* indicates whether this ordered extent has done its due diligence in
* updating the isize
*/
BTRFS_ORDERED_UPDATED_ISIZE,
/* Set when we have to truncate an extent */
BTRFS_ORDERED_TRUNCATED,
/* Regular IO for COW */
BTRFS_ORDERED_REGULAR,
};
struct btrfs_ordered_extent {
/* logical offset in the file */