#define CEPH_MOUNT_OPT_INO32 (1<<8) /* 32 bit inos */
#define CEPH_MOUNT_OPT_DCACHE (1<<9) /* use dcache for readdir etc */
#define CEPH_MOUNT_OPT_FSCACHE (1<<10) /* use fscache */
+#define CEPH_MOUNT_OPT_NOPOOLPERM (1<<11) /* no pool permission check */
#define CEPH_MOUNT_OPT_DEFAULT (CEPH_MOUNT_OPT_RBYTES | \
CEPH_MOUNT_OPT_DCACHE)
struct rb_node ci_node; /* per-ci cap tree */
struct ceph_mds_session *session;
struct list_head session_caps; /* per-session caplist */
- int mds;
u64 cap_id; /* unique cap id (mds provided) */
- int issued; /* latest, from the mds */
- int implemented; /* implemented superset of issued (for revocation) */
- int mds_wanted;
+ union {
+ /* in-use caps */
+ struct {
+ int issued; /* latest, from the mds */
+ int implemented; /* implemented superset of
+ issued (for revocation) */
+ int mds, mds_wanted;
+ };
+ /* caps to release */
+ struct {
+ u64 cap_ino;
+ int queue_release;
+ };
+ };
u32 seq, issue_seq, mseq;
u32 cap_gen; /* active/stale cycle */
unsigned long last_used;
int writing; /* a sync write is still in progress */
int dirty_pages; /* dirty pages awaiting writeback */
bool inline_data;
+ bool need_flush;
};
static inline void ceph_put_cap_snap(struct ceph_cap_snap *capsnap)
}
}
+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
u32 i_time_warp_seq;
unsigned i_ceph_flags;
- int i_ordered_count;
- atomic_t i_release_count;
- atomic_t i_complete_count;
+ atomic64_t i_release_count;
+ atomic64_t i_ordered_count;
+ atomic64_t i_complete_seq[2];
struct ceph_dir_layout i_dir_layout;
struct ceph_file_layout i_layout;
struct ceph_cap *i_auth_cap; /* authoritative cap, if any */
unsigned i_dirty_caps, i_flushing_caps; /* mask of dirtied fields */
struct list_head i_dirty_item, i_flushing_item;
- u64 i_cap_flush_seq;
/* we need to track cap writeback on a per-cap-bit basis, to allow
* overlapping, pipelined cap flushes to the mds. we can probably
* reduce the tid to 8 bits if we're concerned about inode size. */
- u16 i_cap_flush_last_tid, i_cap_flush_tid[CEPH_CAP_BITS];
+ struct ceph_cap_flush *i_prealloc_cap_flush;
+ struct rb_root i_cap_flush_tree;
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 */
struct list_head i_unsafe_writes; /* uncommitted sync writes */
struct list_head i_unsafe_dirops; /* uncommitted mds dir ops */
+ struct list_head i_unsafe_iops; /* uncommitted mds inode ops */
spinlock_t i_unsafe_lock;
struct ceph_snap_realm *i_snap_realm; /* snap realm (if caps) */
/*
* Ceph inode.
*/
-#define CEPH_I_DIR_ORDERED 1 /* dentries in dir are ordered */
-#define CEPH_I_NODELAY 4 /* do not delay cap release */
-#define CEPH_I_FLUSH 8 /* do not delay flush of dirty metadata */
-#define CEPH_I_NOFLUSH 16 /* do not flush dirty caps */
+#define CEPH_I_DIR_ORDERED (1 << 0) /* dentries in dir are ordered */
+#define CEPH_I_NODELAY (1 << 1) /* do not delay cap release */
+#define CEPH_I_FLUSH (1 << 2) /* do not delay flush of dirty metadata */
+#define CEPH_I_NOFLUSH (1 << 3) /* do not flush dirty caps */
+#define CEPH_I_POOL_PERM (1 << 4) /* pool rd/wr bits are valid */
+#define CEPH_I_POOL_RD (1 << 5) /* can read from pool */
+#define CEPH_I_POOL_WR (1 << 6) /* can write to pool */
+
static inline void __ceph_dir_set_complete(struct ceph_inode_info *ci,
- int release_count, int ordered_count)
+ long long release_count,
+ long long ordered_count)
{
- atomic_set(&ci->i_complete_count, release_count);
- if (ci->i_ordered_count == ordered_count)
- ci->i_ceph_flags |= CEPH_I_DIR_ORDERED;
- else
- ci->i_ceph_flags &= ~CEPH_I_DIR_ORDERED;
+ smp_mb__before_atomic();
+ atomic64_set(&ci->i_complete_seq[0], release_count);
+ atomic64_set(&ci->i_complete_seq[1], ordered_count);
}
static inline void __ceph_dir_clear_complete(struct ceph_inode_info *ci)
{
- atomic_inc(&ci->i_release_count);
+ atomic64_inc(&ci->i_release_count);
+}
+
+static inline void __ceph_dir_clear_ordered(struct ceph_inode_info *ci)
+{
+ atomic64_inc(&ci->i_ordered_count);
}
static inline bool __ceph_dir_is_complete(struct ceph_inode_info *ci)
{
- return atomic_read(&ci->i_complete_count) ==
- atomic_read(&ci->i_release_count);
+ return atomic64_read(&ci->i_complete_seq[0]) ==
+ atomic64_read(&ci->i_release_count);
}
static inline bool __ceph_dir_is_complete_ordered(struct ceph_inode_info *ci)
{
- return __ceph_dir_is_complete(ci) &&
- (ci->i_ceph_flags & CEPH_I_DIR_ORDERED);
+ return atomic64_read(&ci->i_complete_seq[0]) ==
+ atomic64_read(&ci->i_release_count) &&
+ atomic64_read(&ci->i_complete_seq[1]) ==
+ atomic64_read(&ci->i_ordered_count);
}
static inline void ceph_dir_clear_complete(struct inode *inode)
static inline void ceph_dir_clear_ordered(struct inode *inode)
{
- struct ceph_inode_info *ci = ceph_inode(inode);
- spin_lock(&ci->i_ceph_lock);
- ci->i_ordered_count++;
- ci->i_ceph_flags &= ~CEPH_I_DIR_ORDERED;
- spin_unlock(&ci->i_ceph_lock);
+ __ceph_dir_clear_ordered(ceph_inode(inode));
}
static inline bool ceph_dir_is_complete_ordered(struct inode *inode)
{
- struct ceph_inode_info *ci = ceph_inode(inode);
- bool ret;
- spin_lock(&ci->i_ceph_lock);
- ret = __ceph_dir_is_complete_ordered(ci);
- spin_unlock(&ci->i_ceph_lock);
+ bool ret = __ceph_dir_is_complete_ordered(ceph_inode(inode));
+ smp_rmb();
return ret;
}
{
return ci->i_dirty_caps | ci->i_flushing_caps;
}
-extern int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask);
+extern struct ceph_cap_flush *ceph_alloc_cap_flush(void);
+extern void ceph_free_cap_flush(struct ceph_cap_flush *cf);
+extern int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask,
+ struct ceph_cap_flush **pcf);
extern int __ceph_caps_revoking_other(struct ceph_inode_info *ci,
struct ceph_cap *ocap, int mask);
unsigned offset; /* offset of last chunk, adjusted for . and .. */
unsigned next_offset; /* offset of next chunk (last_name's + 1) */
char *last_name; /* last entry in previous chunk */
- struct dentry *dentry; /* next dentry (for dcache readdir) */
- int dir_release_count;
- int dir_ordered_count;
+ long long dir_release_count;
+ long long dir_ordered_count;
+ int readdir_cache_idx;
/* used for -o dirstat read() on directory thing */
char *dir_info;
int dir_info_len;
};
-
+struct ceph_readdir_cache_control {
+ struct page *page;
+ struct dentry **dentries;
+ int index;
+};
/*
* A "snap realm" describes a subset of the file hierarchy sharing
/* snap.c */
+extern struct ceph_snap_context *ceph_empty_snapc;
struct ceph_snap_realm *ceph_lookup_snap_realm(struct ceph_mds_client *mdsc,
u64 ino);
extern void ceph_get_snap_realm(struct ceph_mds_client *mdsc,
static inline bool __ceph_have_pending_cap_snap(struct ceph_inode_info *ci)
{
return !list_empty(&ci->i_cap_snaps) &&
- list_entry(ci->i_cap_snaps.prev, struct ceph_cap_snap,
- ci_item)->writing;
+ list_last_entry(&ci->i_cap_snaps, struct ceph_cap_snap,
+ ci_item)->writing;
}
/* inode.c */
struct ceph_cap *cap);
extern int ceph_is_any_caps(struct inode *inode);
-extern void __queue_cap_release(struct ceph_mds_session *session, u64 ino,
- u64 cap_id, u32 migrate_seq, u32 issue_seq);
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, loff_t start, loff_t end,
int datasync);
+extern void ceph_early_kick_flushing_caps(struct ceph_mds_client *mdsc,
+ struct ceph_mds_session *session);
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,
/* addr.c */
extern const struct address_space_operations ceph_aops;
extern int ceph_mmap(struct file *file, struct vm_area_struct *vma);
+extern int ceph_uninline_data(struct file *filp, struct page *locked_page);
+extern int ceph_pool_perm_check(struct ceph_inode_info *ci, int need);
+extern void ceph_pool_perm_destroy(struct ceph_mds_client* mdsc);
/* file.c */
extern const struct file_operations ceph_file_fops;
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);
-int ceph_uninline_data(struct file *filp, struct page *locked_page);
/* dir.c */
extern const struct file_operations ceph_dir_fops;
extern const struct file_operations ceph_snapdir_fops;
extern void ceph_invalidate_dentry_lease(struct dentry *dentry);
extern unsigned ceph_dentry_hash(struct inode *dir, struct dentry *dn);
extern struct inode *ceph_get_dentry_parent_inode(struct dentry *dentry);
+extern void ceph_readdir_cache_release(struct ceph_readdir_cache_control *ctl);
/*
* our d_ops vary depending on whether the inode is live,
Code Review / kvmfornfv.git / blobdiff