diff options
Diffstat (limited to 'fs/ceph/super.h')
| -rw-r--r-- | fs/ceph/super.h | 51 |
1 files changed, 33 insertions, 18 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 10a4a406e88..c33897ae572 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -31,6 +31,12 @@ #define CEPH_BLOCK (1 << CEPH_BLOCK_SHIFT) /* + * Supported features + */ +#define CEPH_FEATURE_SUPPORTED CEPH_FEATURE_NOSRCADDR | CEPH_FEATURE_FLOCK +#define CEPH_FEATURE_REQUIRED CEPH_FEATURE_NOSRCADDR + +/* * mount options */ #define CEPH_OPT_FSID (1<<0) @@ -210,8 +216,7 @@ struct ceph_cap_snap { uid_t uid; gid_t gid; - void *xattr_blob; - int xattr_len; + struct ceph_buffer *xattr_blob; u64 xattr_version; u64 size; @@ -223,8 +228,11 @@ struct ceph_cap_snap { static inline void ceph_put_cap_snap(struct ceph_cap_snap *capsnap) { - if (atomic_dec_and_test(&capsnap->nref)) + if (atomic_dec_and_test(&capsnap->nref)) { + if (capsnap->xattr_blob) + ceph_buffer_put(capsnap->xattr_blob); kfree(capsnap); + } } /* @@ -336,7 +344,8 @@ struct ceph_inode_info { unsigned i_cap_exporting_issued; struct ceph_cap_reservation i_cap_migration_resv; struct list_head i_cap_snaps; /* snapped state pending flush to mds */ - struct ceph_snap_context *i_head_snapc; /* set if wr_buffer_head > 0 */ + struct ceph_snap_context *i_head_snapc; /* set if wr_buffer_head > 0 or + dirty|flushing caps */ unsigned i_snap_caps; /* cap bits for snapped files */ int i_nr_by_mode[CEPH_FILE_MODE_NUM]; /* open file counts */ @@ -560,11 +569,13 @@ static inline int __ceph_caps_wanted(struct ceph_inode_info *ci) /* what the mds thinks we want */ extern int __ceph_caps_mds_wanted(struct ceph_inode_info *ci); -extern void ceph_caps_init(void); -extern void ceph_caps_finalize(void); -extern void ceph_adjust_min_caps(int delta); -extern int ceph_reserve_caps(struct ceph_cap_reservation *ctx, int need); -extern int ceph_unreserve_caps(struct ceph_cap_reservation *ctx); +extern void ceph_caps_init(struct ceph_mds_client *mdsc); +extern void ceph_caps_finalize(struct ceph_mds_client *mdsc); +extern void ceph_adjust_min_caps(struct ceph_mds_client *mdsc, int delta); +extern int ceph_reserve_caps(struct ceph_mds_client *mdsc, + struct ceph_cap_reservation *ctx, int need); +extern int ceph_unreserve_caps(struct ceph_mds_client *mdsc, + struct ceph_cap_reservation *ctx); extern void ceph_reservation_status(struct ceph_client *client, int *total, int *avail, int *used, int *reserved, int *min); @@ -738,13 +749,6 @@ extern struct kmem_cache *ceph_file_cachep; extern const char *ceph_msg_type_name(int type); extern int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid); -#define FSID_FORMAT "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" \ - "%02x%02x%02x%02x%02x%02x" -#define PR_FSID(f) (f)->fsid[0], (f)->fsid[1], (f)->fsid[2], (f)->fsid[3], \ - (f)->fsid[4], (f)->fsid[5], (f)->fsid[6], (f)->fsid[7], \ - (f)->fsid[8], (f)->fsid[9], (f)->fsid[10], (f)->fsid[11], \ - (f)->fsid[12], (f)->fsid[13], (f)->fsid[14], (f)->fsid[15] - /* inode.c */ extern const struct inode_operations ceph_file_iops; @@ -806,13 +810,16 @@ static inline void ceph_remove_cap(struct ceph_cap *cap) __ceph_remove_cap(cap); spin_unlock(&inode->i_lock); } -extern void ceph_put_cap(struct ceph_cap *cap); +extern void ceph_put_cap(struct ceph_mds_client *mdsc, + struct ceph_cap *cap); extern void ceph_queue_caps_release(struct inode *inode); extern int ceph_write_inode(struct inode *inode, struct writeback_control *wbc); extern int ceph_fsync(struct file *file, int datasync); extern void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc, struct ceph_mds_session *session); +extern struct ceph_cap *ceph_get_cap_for_mds(struct ceph_inode_info *ci, + int mds); extern int ceph_get_cap_mds(struct inode *inode); extern void ceph_get_cap_refs(struct ceph_inode_info *ci, int caps); extern void ceph_put_cap_refs(struct ceph_inode_info *ci, int had); @@ -857,7 +864,7 @@ extern void ceph_release_page_vector(struct page **pages, int num_pages); /* dir.c */ extern const struct file_operations ceph_dir_fops; extern const struct inode_operations ceph_dir_iops; -extern struct dentry_operations ceph_dentry_ops, ceph_snap_dentry_ops, +extern const struct dentry_operations ceph_dentry_ops, ceph_snap_dentry_ops, ceph_snapdir_dentry_ops; extern int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry); @@ -888,6 +895,14 @@ extern void ceph_debugfs_cleanup(void); extern int ceph_debugfs_client_init(struct ceph_client *client); extern void ceph_debugfs_client_cleanup(struct ceph_client *client); +/* locks.c */ +extern int ceph_lock(struct file *file, int cmd, struct file_lock *fl); +extern int ceph_flock(struct file *file, int cmd, struct file_lock *fl); +extern void ceph_count_locks(struct inode *inode, int *p_num, int *f_num); +extern int ceph_encode_locks(struct inode *i, struct ceph_pagelist *p, + int p_locks, int f_locks); +extern int lock_to_ceph_filelock(struct file_lock *fl, struct ceph_filelock *c); + static inline struct inode *get_dentry_parent_inode(struct dentry *dentry) { if (dentry && dentry->d_parent) |