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| author | Chris Mason <chris.mason@oracle.com> | 2009-09-11 19:07:25 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2009-09-11 19:07:25 -0400 |
| commit | 83ebade34bc1a90d0c3f77b87b940f336d075fda (patch) | |
| tree | 99b6366c52e6bec88119ae995399c985fc61e900 /fs/btrfs/extent_map.h | |
| parent | 74fca6a42863ffacaf7ba6f1936a9f228950f657 (diff) | |
| parent | 93c82d575055f1bd0277acae6f966bebafd80dd5 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
Diffstat (limited to 'fs/btrfs/extent_map.h')
| -rw-r--r-- | fs/btrfs/extent_map.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h index fb6eeef06bb..d3d442f4bbb 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 +59,5 @@ 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); #endif |