diff options
author | Filipe Manana <fdmanana@suse.com> | 2023-11-24 02:53:51 +0300 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2023-12-15 22:27:03 +0300 |
commit | 3c0e918b8fb3a6a7da1558913302a3e89cf87343 (patch) | |
tree | 2d4a26f8b12be113e9a8efe730727f3ae62e76bb /fs | |
parent | 397239ed6a6c88b002fbba0b25ed5a719c578c2f (diff) | |
download | linux-3c0e918b8fb3a6a7da1558913302a3e89cf87343.tar.xz |
btrfs: remove no longer used EXTENT_MAP_DELALLOC block start value
After commit ac3c0d36a2a2 ("btrfs: make fiemap more efficient and accurate
reporting extent sharedness") we no longer need to create special extent
maps during fiemap that have a block start with the EXTENT_MAP_DELALLOC
value. So this block start value for extent maps is no longer used since
then, therefore remove it.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/btrfs/defrag.c | 3 | ||||
-rw-r--r-- | fs/btrfs/extent_map.c | 3 | ||||
-rw-r--r-- | fs/btrfs/extent_map.h | 2 |
3 files changed, 1 insertions, 7 deletions
diff --git a/fs/btrfs/defrag.c b/fs/btrfs/defrag.c index 5244561e2016..9bcb60c68c58 100644 --- a/fs/btrfs/defrag.c +++ b/fs/btrfs/defrag.c @@ -996,9 +996,8 @@ static int defrag_collect_targets(struct btrfs_inode *inode, em->len <= inode->root->fs_info->max_inline) goto next; - /* Skip hole/delalloc/preallocated extents */ + /* Skip holes and preallocated extents. */ if (em->block_start == EXTENT_MAP_HOLE || - em->block_start == EXTENT_MAP_DELALLOC || test_bit(EXTENT_FLAG_PREALLOC, &em->flags)) goto next; diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index c956b1ced69f..80f86503a5cd 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -212,9 +212,6 @@ static int mergable_maps(struct extent_map *prev, struct extent_map *next) if (!list_empty(&prev->list) || !list_empty(&next->list)) return 0; - ASSERT(next->block_start != EXTENT_MAP_DELALLOC && - prev->block_start != EXTENT_MAP_DELALLOC); - if (extent_map_end(prev) == next->start && prev->flags == next->flags && ((next->block_start == EXTENT_MAP_HOLE && diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h index bae14af197ef..66f8dd26487b 100644 --- a/fs/btrfs/extent_map.h +++ b/fs/btrfs/extent_map.h @@ -9,8 +9,6 @@ #define EXTENT_MAP_LAST_BYTE ((u64)-4) #define EXTENT_MAP_HOLE ((u64)-3) #define EXTENT_MAP_INLINE ((u64)-2) -/* used only during fiemap calls */ -#define EXTENT_MAP_DELALLOC ((u64)-1) /* bits for the extent_map::flags field */ enum { |