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authorDavid Sterba <dsterba@suse.com>2018-11-27 17:17:47 +0300
committerDavid Sterba <dsterba@suse.com>2018-12-17 16:51:43 +0300
commit5b840301ac4b8a8e8d42d0c7edc31dc3e257145d (patch)
tree68b2fc0bd4927e3aa7bea06873bee1c3da324b6e /fs/btrfs
parent50b5b6020fc3e2c4c67ff28bf3986a1e70bffc7d (diff)
downloadlinux-5b840301ac4b8a8e8d42d0c7edc31dc3e257145d.tar.xz
btrfs: switch BTRFS_ORDERED_* to enums
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>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/ordered-data.h45
1 files changed, 25 insertions, 20 deletions
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index b10e6765d88f..fb9a161f0215 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -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 */