diff options
Diffstat (limited to 'fs/ocfs2/extent_map.h')
| -rw-r--r-- | fs/ocfs2/extent_map.h | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h index 1c4aa8b06f3..67ea57d2fd5 100644 --- a/fs/ocfs2/extent_map.h +++ b/fs/ocfs2/extent_map.h @@ -53,8 +53,40 @@ int ocfs2_extent_map_get_blocks(struct inode *inode, u64 v_blkno, u64 *p_blkno, int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 map_start, u64 map_len); +int ocfs2_seek_data_hole_offset(struct file *file, loff_t *offset, int origin); + int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster, u32 *num_clusters, - struct ocfs2_extent_list *el); + struct ocfs2_extent_list *el, + unsigned int *extent_flags); + +int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr, + struct buffer_head *bhs[], int flags, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)); +int ocfs2_figure_hole_clusters(struct ocfs2_caching_info *ci, + struct ocfs2_extent_list *el, + struct buffer_head *eb_bh, + u32 v_cluster, + u32 *num_clusters); +static inline int ocfs2_read_virt_block(struct inode *inode, u64 v_block, + struct buffer_head **bh, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)) +{ + int status = 0; + + if (bh == NULL) { + printk("ocfs2: bh == NULL\n"); + status = -EINVAL; + goto bail; + } + + status = ocfs2_read_virt_blocks(inode, v_block, 1, bh, 0, validate); + +bail: + return status; +} + #endif /* _EXTENT_MAP_H */ |