#include <linux/fs.h>
#include <linux/mempool.h>
#include <linux/pagemap.h>
+#include <linux/slab.h>
#include <linux/wait.h>
+#include <linux/writeback.h>
+#include <linux/slab.h>
#include "types.h"
#include "messenger.h"
struct ceph_entity_addr *mon_addr;
int flags;
int mount_timeout;
+ int osd_idle_ttl;
int caps_wanted_delay_min, caps_wanted_delay_max;
struct ceph_fsid fsid;
struct ceph_entity_addr my_addr;
int wsize;
int rsize; /* max readahead */
int max_readdir; /* max readdir size */
+ int congestion_kb; /* max readdir size */
int osd_timeout;
+ int osd_keepalive_timeout;
char *snapdir_name; /* default ".snap" */
+ char *name;
char *secret;
int cap_release_safety;
};
* defaults
*/
#define CEPH_MOUNT_TIMEOUT_DEFAULT 60
+#define CEPH_OSD_TIMEOUT_DEFAULT 60 /* seconds */
+#define CEPH_OSD_KEEPALIVE_DEFAULT 5
+#define CEPH_OSD_IDLE_TTL_DEFAULT 60
#define CEPH_MOUNT_RSIZE_DEFAULT (512*1024) /* readahead */
#define CEPH_MSG_MAX_FRONT_LEN (16*1024*1024)
#define CEPH_MSG_MAX_DATA_LEN (16*1024*1024)
#define CEPH_SNAPDIRNAME_DEFAULT ".snap"
+#define CEPH_AUTH_NAME_DEFAULT "guest"
/*
* Delay telling the MDS we no longer want caps, in case we reopen
* mounting the same ceph filesystem/cluster.
*/
struct ceph_client {
- __s64 whoami; /* my client number */
-#ifdef CONFIG_DEBUG_FS
- struct dentry *debugfs_monmap;
- struct dentry *debugfs_mdsmap, *debugfs_osdmap;
- struct dentry *debugfs_dir, *debugfs_dentry_lru, *debugfs_caps;
-#endif
+ struct ceph_fsid fsid;
+ bool have_fsid;
struct mutex mount_mutex; /* serialize mount attempts */
struct ceph_mount_args *mount_args;
- struct ceph_fsid fsid;
struct super_block *sb;
unsigned long mount_state;
- wait_queue_head_t mount_wq;
+ wait_queue_head_t auth_wq;
+
+ int auth_err;
- int mount_err;
- void *signed_ticket; /* our keys to the kingdom */
- int signed_ticket_len;
+ int min_caps; /* min caps i added */
struct ceph_messenger *msgr; /* messenger instance */
struct ceph_mon_client monc;
struct workqueue_struct *wb_wq;
struct workqueue_struct *pg_inv_wq;
struct workqueue_struct *trunc_wq;
+ atomic_long_t writeback_count;
struct backing_dev_info backing_dev_info;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_monmap;
+ struct dentry *debugfs_mdsmap, *debugfs_osdmap;
+ struct dentry *debugfs_dir, *debugfs_dentry_lru, *debugfs_caps;
+ struct dentry *debugfs_congestion_kb;
+ struct dentry *debugfs_bdi;
+#endif
};
static inline struct ceph_client *ceph_client(struct super_block *sb)
#define CEPH_I_COMPLETE 1 /* we have complete directory cached */
#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 */
struct ceph_inode_info {
struct ceph_vino i_vino; /* ceph ino + snap */
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_reservation_status(struct ceph_client *client,
int *total, int *avail, int *used,
- int *reserved);
+ int *reserved, int *min);
static inline struct ceph_client *ceph_inode_to_client(struct inode *inode)
{
return (struct ceph_client *)sb->s_fs_info;
}
-static inline int ceph_queue_writeback(struct inode *inode)
-{
- return queue_work(ceph_inode_to_client(inode)->wb_wq,
- &ceph_inode(inode)->i_wb_work);
-}
-
-static inline int ceph_queue_page_invalidation(struct inode *inode)
-{
- return queue_work(ceph_inode_to_client(inode)->pg_inv_wq,
- &ceph_inode(inode)->i_pg_inv_work);
-}
-
/*
* we keep buffered readdir results attached to file->private_data
struct ceph_snap_realm {
u64 ino;
atomic_t nref;
+ struct rb_node node;
+
u64 created, seq;
u64 parent_ino;
u64 parent_since; /* snapid when our current parent became so */
extern int ceph_update_snap_trace(struct ceph_mds_client *m,
void *p, void *e, bool deletion);
extern void ceph_handle_snap(struct ceph_mds_client *mdsc,
+ struct ceph_mds_session *session,
struct ceph_msg *msg);
-extern void ceph_queue_cap_snap(struct ceph_inode_info *ci,
- struct ceph_snap_context *snapc);
+extern void ceph_queue_cap_snap(struct ceph_inode_info *ci);
extern int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
struct ceph_cap_snap *capsnap);
extern void ceph_cleanup_empty_realms(struct ceph_mds_client *mdsc);
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"
extern int ceph_inode_holds_cap(struct inode *inode, int mask);
extern int ceph_inode_set_size(struct inode *inode, loff_t size);
-extern void ceph_inode_writeback(struct work_struct *work);
-extern void ceph_vmtruncate_work(struct work_struct *work);
extern void __ceph_do_pending_vmtruncate(struct inode *inode);
-extern void __ceph_queue_vmtruncate(struct inode *inode);
+extern void ceph_queue_vmtruncate(struct inode *inode);
+
+extern void ceph_queue_invalidate(struct inode *inode);
+extern void ceph_queue_writeback(struct inode *inode);
extern int ceph_do_getattr(struct inode *inode, int mask);
extern int ceph_permission(struct inode *inode, int mask);
int fmode, unsigned issued, unsigned wanted,
unsigned cap, unsigned seq, u64 realmino, int flags,
struct ceph_cap_reservation *caps_reservation);
-extern void __ceph_remove_cap(struct ceph_cap *cap,
- struct ceph_cap_reservation *ctx);
+extern void __ceph_remove_cap(struct ceph_cap *cap);
static inline void ceph_remove_cap(struct ceph_cap *cap)
{
struct inode *inode = &cap->ci->vfs_inode;
spin_lock(&inode->i_lock);
- __ceph_remove_cap(cap, NULL);
+ __ceph_remove_cap(cap);
spin_unlock(&inode->i_lock);
}
+extern void ceph_put_cap(struct ceph_cap *cap);
extern void ceph_queue_caps_release(struct inode *inode);
-extern int ceph_write_inode(struct inode *inode, int unused);
+extern int ceph_write_inode(struct inode *inode, struct writeback_control *wbc);
extern int ceph_fsync(struct file *file, struct dentry *dentry, int datasync);
extern void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
struct ceph_mds_session *session);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff