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authorDavid Sterba <dsterba@suse.com>2018-11-27 15:11:43 +0100
committerDavid Sterba <dsterba@suse.com>2018-12-17 14:51:43 +0100
commit50b5b6020fc3e2c4c67ff28bf3986a1e70bffc7d (patch)
tree0dcf9edac103ce1e845a2b92aff7d0cb2454c4fd /fs/btrfs/extent_map.h
parentbtrfs: switch EXTENT_BUFFER_* to enums (diff)
downloadlinux-50b5b6020fc3e2c4c67ff28bf3986a1e70bffc7d.tar.xz
linux-50b5b6020fc3e2c4c67ff28bf3986a1e70bffc7d.zip
btrfs: switch EXTENT_FLAG_* to enums
We can use simple enum for values that are not part of on-disk format: extent map 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/extent_map.h')
-rw-r--r--fs/btrfs/extent_map.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 31977ffd6190..ef05a0121652 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -11,13 +11,20 @@
#define EXTENT_MAP_INLINE ((u64)-2)
#define EXTENT_MAP_DELALLOC ((u64)-1)
-/* bits for the flags field */
-#define EXTENT_FLAG_PINNED 0 /* this entry not yet on disk, don't free it */
-#define EXTENT_FLAG_COMPRESSED 1
-#define EXTENT_FLAG_PREALLOC 3 /* pre-allocated extent */
-#define EXTENT_FLAG_LOGGING 4 /* Logging this extent */
-#define EXTENT_FLAG_FILLING 5 /* Filling in a preallocated extent */
-#define EXTENT_FLAG_FS_MAPPING 6 /* filesystem extent mapping type */
+/* bits for the extent_map::flags field */
+enum {
+ /* this entry not yet on disk, don't free it */
+ EXTENT_FLAG_PINNED,
+ EXTENT_FLAG_COMPRESSED,
+ /* pre-allocated extent */
+ EXTENT_FLAG_PREALLOC,
+ /* Logging this extent */
+ EXTENT_FLAG_LOGGING,
+ /* Filling in a preallocated extent */
+ EXTENT_FLAG_FILLING,
+ /* filesystem extent mapping type */
+ EXTENT_FLAG_FS_MAPPING,
+};
struct extent_map {
struct rb_node rb_node;