int cap_release_safety;
int max_readdir; /* max readdir result (entires) */
int max_readdir_bytes; /* max readdir result (bytes) */
- int mds_namespace;
/*
* everything above this point can be memcmp'd; everything below
*/
char *snapdir_name; /* default ".snap" */
+ char *mds_namespace; /* default NULL */
char *server_path; /* default "/" */
};
#define CHECK_CAPS_AUTHONLY 2 /* only check auth cap */
#define CHECK_CAPS_FLUSH 4 /* flush any dirty caps */
+struct ceph_cap_flush {
+ u64 tid;
+ int caps; /* 0 means capsnap */
+ struct list_head g_list; // global
+ struct list_head i_list; // per inode
+};
+
/*
* Snapped cap state that is pending flush to mds. When a snapshot occurs,
* we first complete any in-process sync writes and writeback any dirty
*/
struct ceph_cap_snap {
atomic_t nref;
- struct ceph_inode_info *ci;
- struct list_head ci_item, flushing_item;
+ struct list_head ci_item;
+
+ struct ceph_cap_flush cap_flush;
- u64 follows, flush_tid;
+ u64 follows;
int issued, dirty;
struct ceph_snap_context *context;
}
}
-struct ceph_cap_flush {
- u64 tid;
- int caps;
- struct rb_node g_node; // global
- union {
- struct rb_node i_node; // inode
- struct list_head list;
- };
-};
-
/*
* The frag tree describes how a directory is fragmented, potentially across
* multiple metadata servers. It is also used to indicate points where
unsigned long lease_renew_after, lease_renew_from;
struct list_head lru;
struct dentry *dentry;
- u64 time;
+ unsigned long time;
u64 offset;
};
struct ceph_dir_layout i_dir_layout;
struct ceph_file_layout i_layout;
- size_t i_pool_ns_len;
char *i_symlink;
/* for dirs */
* overlapping, pipelined cap flushes to the mds. we can probably
* reduce the tid to 8 bits if we're concerned about inode size. */
struct ceph_cap_flush *i_prealloc_cap_flush;
- struct rb_root i_cap_flush_tree;
+ struct list_head i_cap_flush_list;
wait_queue_head_t i_cap_wq; /* threads waiting on a capability */
unsigned long i_hold_caps_min; /* jiffies */
unsigned long i_hold_caps_max; /* jiffies */
dirty|flushing caps */
unsigned i_snap_caps; /* cap bits for snapped files */
- int i_nr_by_mode[CEPH_FILE_MODE_NUM]; /* open file counts */
+ int i_nr_by_mode[CEPH_FILE_MODE_BITS]; /* open file counts */
struct mutex i_truncate_mutex;
u32 i_truncate_seq; /* last truncate to smaller size */
#define CEPH_I_POOL_WR (1 << 6) /* can write to pool */
#define CEPH_I_SEC_INITED (1 << 7) /* security initialized */
#define CEPH_I_CAP_DROPPED (1 << 8) /* caps were forcibly dropped */
+#define CEPH_I_KICK_FLUSH (1 << 9) /* kick flushing caps */
static inline void __ceph_dir_set_complete(struct ceph_inode_info *ci,
long long release_count,
extern struct inode *ceph_alloc_inode(struct super_block *sb);
extern void ceph_destroy_inode(struct inode *inode);
extern int ceph_drop_inode(struct inode *inode);
+extern void ceph_evict_inode(struct inode *inode);
extern struct inode *ceph_get_inode(struct super_block *sb,
struct ceph_vino vino);
extern void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
struct ceph_snap_context *snapc);
extern void __ceph_flush_snaps(struct ceph_inode_info *ci,
- struct ceph_mds_session **psession,
- int again);
+ struct ceph_mds_session **psession);
extern void ceph_check_caps(struct ceph_inode_info *ci, int flags,
struct ceph_mds_session *session);
extern void ceph_check_delayed_caps(struct ceph_mds_client *mdsc);
loff_t endoff, int *got, struct page **pinned_page);
/* for counting open files by mode */
-static inline void __ceph_get_fmode(struct ceph_inode_info *ci, int mode)
-{
- ci->i_nr_by_mode[mode]++;
-}
+extern void __ceph_get_fmode(struct ceph_inode_info *ci, int mode);
extern void ceph_put_fmode(struct ceph_inode_info *ci, int mode);
/* addr.c */
extern int ceph_release(struct inode *inode, struct file *filp);
extern void ceph_fill_inline_data(struct inode *inode, struct page *locked_page,
char *data, size_t len);
+extern void ceph_sync_write_wait(struct inode *inode);
/* dir.c */
extern const struct file_operations ceph_dir_fops;
extern const struct file_operations ceph_snapdir_fops;