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https://github.com/koverstreet/bcachefs-tools.git
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67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
#ifndef _BCACHE_FS_H
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#define _BCACHE_FS_H
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#include "str_hash.h"
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#include <linux/seqlock.h>
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#include <linux/stat.h>
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struct bch_inode_info {
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struct inode vfs_inode;
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struct mutex update_lock;
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u64 journal_seq;
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atomic_long_t i_size_dirty_count;
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/*
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* these are updated whenever we update the inode in the btree - for
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* e.g. fsync
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*/
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u64 i_size;
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u32 i_flags;
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atomic_long_t i_sectors_dirty_count;
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atomic64_t i_sectors;
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struct bch_hash_info str_hash;
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};
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#define to_bch_ei(_inode) \
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container_of(_inode, struct bch_inode_info, vfs_inode)
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static inline u8 mode_to_type(umode_t mode)
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{
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return (mode >> 12) & 15;
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}
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static inline unsigned nlink_bias(umode_t mode)
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{
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return S_ISDIR(mode) ? 2 : 1;
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}
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struct bch_inode_unpacked;
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#ifndef NO_BCACHE_FS
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/* returns 0 if we want to do the update, or error is passed up */
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typedef int (*inode_set_fn)(struct bch_inode_info *,
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struct bch_inode_unpacked *, void *);
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int __must_check __bch2_write_inode(struct bch_fs *, struct bch_inode_info *,
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inode_set_fn, void *);
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int __must_check bch2_write_inode(struct bch_fs *,
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struct bch_inode_info *);
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void bch2_vfs_exit(void);
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int bch2_vfs_init(void);
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#else
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static inline void bch2_vfs_exit(void) {}
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static inline int bch2_vfs_init(void) { return 0; }
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#endif
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#endif /* _BCACHE_FS_H */
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