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- #ifndef OCFS2_INODE_H
- #define OCFS2_INODE_H
- #include "extent_map.h"
- struct ocfs2_inode_info
- {
- u64 ip_blkno;
- struct ocfs2_lock_res ip_rw_lockres;
- struct ocfs2_lock_res ip_inode_lockres;
- struct ocfs2_lock_res ip_open_lockres;
-
- struct rw_semaphore ip_alloc_sem;
-
- struct rw_semaphore ip_xattr_sem;
-
- spinlock_t ip_lock;
- u32 ip_open_count;
- struct list_head ip_io_markers;
- u32 ip_clusters;
- u16 ip_dyn_features;
- struct mutex ip_io_mutex;
- u32 ip_flags;
- u32 ip_attr;
-
- struct list_head ip_unwritten_list;
-
- struct inode *ip_next_orphan;
- struct ocfs2_caching_info ip_metadata_cache;
- struct ocfs2_extent_map ip_extent_map;
- struct inode vfs_inode;
- struct jbd2_inode ip_jinode;
- u32 ip_dir_start_lookup;
-
- u32 ip_last_used_slot;
- u64 ip_last_used_group;
- u32 ip_dir_lock_gen;
- struct ocfs2_alloc_reservation ip_la_data_resv;
-
- tid_t i_sync_tid;
- tid_t i_datasync_tid;
- struct dquot *i_dquot[MAXQUOTAS];
- };
- #define OCFS2_INODE_SYSTEM_FILE 0x00000001
- #define OCFS2_INODE_JOURNAL 0x00000002
- #define OCFS2_INODE_BITMAP 0x00000004
- #define OCFS2_INODE_DELETED 0x00000008
- #define OCFS2_INODE_MAYBE_ORPHANED 0x00000010
- #define OCFS2_INODE_OPEN_DIRECT 0x00000020
- #define OCFS2_INODE_SKIP_ORPHAN_DIR 0x00000040
- #define OCFS2_INODE_DIO_ORPHAN_ENTRY 0x00000080
- static inline struct ocfs2_inode_info *OCFS2_I(struct inode *inode)
- {
- return container_of(inode, struct ocfs2_inode_info, vfs_inode);
- }
- #define INODE_JOURNAL(i) (OCFS2_I(i)->ip_flags & OCFS2_INODE_JOURNAL)
- #define SET_INODE_JOURNAL(i) (OCFS2_I(i)->ip_flags |= OCFS2_INODE_JOURNAL)
- extern const struct address_space_operations ocfs2_aops;
- extern const struct ocfs2_caching_operations ocfs2_inode_caching_ops;
- static inline struct ocfs2_caching_info *INODE_CACHE(struct inode *inode)
- {
- return &OCFS2_I(inode)->ip_metadata_cache;
- }
- void ocfs2_evict_inode(struct inode *inode);
- int ocfs2_drop_inode(struct inode *inode);
- #define OCFS2_FI_FLAG_SYSFILE 0x1
- #define OCFS2_FI_FLAG_ORPHAN_RECOVERY 0x2
- #define OCFS2_FI_FLAG_FILECHECK_CHK 0x4
- #define OCFS2_FI_FLAG_FILECHECK_FIX 0x8
- struct inode *ocfs2_ilookup(struct super_block *sb, u64 feoff);
- struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 feoff, unsigned flags,
- int sysfile_type);
- int ocfs2_inode_revalidate(struct dentry *dentry);
- void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
- int create_ino);
- void ocfs2_sync_blockdev(struct super_block *sb);
- void ocfs2_refresh_inode(struct inode *inode,
- struct ocfs2_dinode *fe);
- int ocfs2_mark_inode_dirty(handle_t *handle,
- struct inode *inode,
- struct buffer_head *bh);
- void ocfs2_set_inode_flags(struct inode *inode);
- void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi);
- static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)
- {
- int c_to_s_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits - 9;
- return (blkcnt_t)OCFS2_I(inode)->ip_clusters << c_to_s_bits;
- }
- int ocfs2_validate_inode_block(struct super_block *sb,
- struct buffer_head *bh);
- int ocfs2_read_inode_block(struct inode *inode, struct buffer_head **bh);
- int ocfs2_read_inode_block_full(struct inode *inode, struct buffer_head **bh,
- int flags);
- static inline struct ocfs2_inode_info *cache_info_to_inode(struct ocfs2_caching_info *ci)
- {
- return container_of(ci, struct ocfs2_inode_info, ip_metadata_cache);
- }
- #endif
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