diff options
Diffstat (limited to 'fs/ocfs2/dcache.h')
| -rw-r--r-- | fs/ocfs2/dcache.h | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/fs/ocfs2/dcache.h b/fs/ocfs2/dcache.h index 90072771114..55f58892b15 100644 --- a/fs/ocfs2/dcache.h +++ b/fs/ocfs2/dcache.h @@ -26,6 +26,34 @@ #ifndef OCFS2_DCACHE_H #define OCFS2_DCACHE_H -extern struct dentry_operations ocfs2_dentry_ops; +extern const struct dentry_operations ocfs2_dentry_ops; + +struct ocfs2_dentry_lock { + unsigned int dl_count; + u64 dl_parent_blkno; + + /* + * The ocfs2_dentry_lock keeps an inode reference until + * dl_lockres has been destroyed. This is usually done in + * ->d_iput() anyway, so there should be minimal impact. + */ + struct inode *dl_inode; + struct ocfs2_lock_res dl_lockres; +}; + +int ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode, + u64 parent_blkno); + +void ocfs2_dentry_lock_put(struct ocfs2_super *osb, + struct ocfs2_dentry_lock *dl); + +struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno, + int skip_unhashed); + +void ocfs2_dentry_move(struct dentry *dentry, struct dentry *target, + struct inode *old_dir, struct inode *new_dir); + +extern spinlock_t dentry_attach_lock; +void ocfs2_dentry_attach_gen(struct dentry *dentry); #endif /* OCFS2_DCACHE_H */ |