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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /fs/btrfs/extent_map.h
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'fs/btrfs/extent_map.h')
-rw-r--r--fs/btrfs/extent_map.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index ab6d74b6e647..33a7890b1f40 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -26,7 +26,8 @@ struct extent_map {
26 unsigned long flags; 26 unsigned long flags;
27 struct block_device *bdev; 27 struct block_device *bdev;
28 atomic_t refs; 28 atomic_t refs;
29 int in_tree; 29 unsigned int in_tree:1;
30 unsigned int compress_type:4;
30}; 31};
31 32
32struct extent_map_tree { 33struct extent_map_tree {
@@ -48,14 +49,14 @@ static inline u64 extent_map_block_end(struct extent_map *em)
48 return em->block_start + em->block_len; 49 return em->block_start + em->block_len;
49} 50}
50 51
51void extent_map_tree_init(struct extent_map_tree *tree, gfp_t mask); 52void extent_map_tree_init(struct extent_map_tree *tree);
52struct extent_map *lookup_extent_mapping(struct extent_map_tree *tree, 53struct extent_map *lookup_extent_mapping(struct extent_map_tree *tree,
53 u64 start, u64 len); 54 u64 start, u64 len);
54int add_extent_mapping(struct extent_map_tree *tree, 55int add_extent_mapping(struct extent_map_tree *tree,
55 struct extent_map *em); 56 struct extent_map *em);
56int remove_extent_mapping(struct extent_map_tree *tree, struct extent_map *em); 57int remove_extent_mapping(struct extent_map_tree *tree, struct extent_map *em);
57 58
58struct extent_map *alloc_extent_map(gfp_t mask); 59struct extent_map *alloc_extent_map(void);
59void free_extent_map(struct extent_map *em); 60void free_extent_map(struct extent_map *em);
60int __init extent_map_init(void); 61int __init extent_map_init(void);
61void extent_map_exit(void); 62void extent_map_exit(void);