diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2013-01-31 22:17:10 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-01-31 22:17:10 +0100 |
| commit | a9037430c6c784165a940a90bcd29f886834c8e7 (patch) | |
| tree | 4b186e0a761e93a6c6712053d444b566c0d25338 /fs/btrfs/extent_map.c | |
| parent | 6125bc8b86d9da75ddac77e38f41afbf9f5de3e3 (diff) | |
| parent | 12ad10004645d38356b14d1fbba379c523a61916 (diff) | |
Merge branch 'timers/for-arm' into timers/core
Diffstat (limited to 'fs/btrfs/extent_map.c')
| -rw-r--r-- | fs/btrfs/extent_map.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index f169d6b11d7f..2e8cae63d247 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -171,6 +171,10 @@ static int mergable_maps(struct extent_map *prev, struct extent_map *next) if (test_bit(EXTENT_FLAG_COMPRESSED, &prev->flags)) return 0; + if (test_bit(EXTENT_FLAG_LOGGING, &prev->flags) || + test_bit(EXTENT_FLAG_LOGGING, &next->flags)) + return 0; + if (extent_map_end(prev) == next->start && prev->flags == next->flags && prev->bdev == next->bdev && @@ -255,7 +259,8 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len, if (!em) goto out; - list_move(&em->list, &tree->modified_extents); + if (!test_bit(EXTENT_FLAG_LOGGING, &em->flags)) + list_move(&em->list, &tree->modified_extents); em->generation = gen; clear_bit(EXTENT_FLAG_PINNED, &em->flags); em->mod_start = em->start; @@ -280,6 +285,12 @@ out: } +void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em) +{ + clear_bit(EXTENT_FLAG_LOGGING, &em->flags); + try_merge_map(tree, em); +} + /** * add_extent_mapping - add new extent map to the extent tree * @tree: tree to insert new map in |