diff options
Diffstat (limited to 'fs/ocfs2/suballoc.h')
-rw-r--r-- | fs/ocfs2/suballoc.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 1a3c94cb9250..7bc4819db4db 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h | |||
@@ -86,6 +86,12 @@ int ocfs2_claim_clusters(struct ocfs2_super *osb, | |||
86 | u32 *cluster_start, | 86 | u32 *cluster_start, |
87 | u32 *num_clusters); | 87 | u32 *num_clusters); |
88 | 88 | ||
89 | int ocfs2_free_suballoc_bits(handle_t *handle, | ||
90 | struct inode *alloc_inode, | ||
91 | struct buffer_head *alloc_bh, | ||
92 | unsigned int start_bit, | ||
93 | u64 bg_blkno, | ||
94 | unsigned int count); | ||
89 | int ocfs2_free_dinode(handle_t *handle, | 95 | int ocfs2_free_dinode(handle_t *handle, |
90 | struct inode *inode_alloc_inode, | 96 | struct inode *inode_alloc_inode, |
91 | struct buffer_head *inode_alloc_bh, | 97 | struct buffer_head *inode_alloc_bh, |
@@ -100,6 +106,13 @@ int ocfs2_free_clusters(handle_t *handle, | |||
100 | u64 start_blk, | 106 | u64 start_blk, |
101 | unsigned int num_clusters); | 107 | unsigned int num_clusters); |
102 | 108 | ||
109 | static inline u64 ocfs2_which_suballoc_group(u64 block, unsigned int bit) | ||
110 | { | ||
111 | u64 group = block - (u64) bit; | ||
112 | |||
113 | return group; | ||
114 | } | ||
115 | |||
103 | static inline u32 ocfs2_cluster_from_desc(struct ocfs2_super *osb, | 116 | static inline u32 ocfs2_cluster_from_desc(struct ocfs2_super *osb, |
104 | u64 bg_blkno) | 117 | u64 bg_blkno) |
105 | { | 118 | { |