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| author | Chris Mason <chris.mason@oracle.com> | 2009-09-24 10:00:58 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2009-09-24 10:00:58 -0400 |
| commit | 54bcf382daf08c1396edb8b81e650b58930ccaef (patch) | |
| tree | 64b941f09489b5c9ee63e4ad43d736bfce911b21 /fs/btrfs/extent_map.h | |
| parent | 94a8d5caba74211ec76dac80fc6e2d5c391530df (diff) | |
| parent | c65ddb52dc412c9b67681b1aa16cd1bac8434e24 (diff) | |
| download | linux-54bcf382daf08c1396edb8b81e650b58930ccaef.tar.gz linux-54bcf382daf08c1396edb8b81e650b58930ccaef.tar.bz2 linux-54bcf382daf08c1396edb8b81e650b58930ccaef.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable into for-linus
Conflicts:
fs/btrfs/super.c
Diffstat (limited to 'fs/btrfs/extent_map.h')
| -rw-r--r-- | fs/btrfs/extent_map.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h index fb6eeef06bb0..ab6d74b6e647 100644 --- a/fs/btrfs/extent_map.h +++ b/fs/btrfs/extent_map.h @@ -31,7 +31,7 @@ struct extent_map { struct extent_map_tree { struct rb_root map; - spinlock_t lock; + rwlock_t lock; }; static inline u64 extent_map_end(struct extent_map *em) @@ -59,4 +59,7 @@ struct extent_map *alloc_extent_map(gfp_t mask); void free_extent_map(struct extent_map *em); int __init extent_map_init(void); void extent_map_exit(void); +int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len); +struct extent_map *search_extent_mapping(struct extent_map_tree *tree, + u64 start, u64 len); #endif |