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-rw-r--r--fs/ceph/super.h73
1 files changed, 41 insertions, 32 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 13513b80d87..2482d696f0d 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -10,7 +10,6 @@
#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>
@@ -32,6 +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)
@@ -52,24 +57,25 @@
struct ceph_mount_args {
int sb_flags;
+ int flags;
+ struct ceph_fsid fsid;
+ struct ceph_entity_addr my_addr;
int num_mon;
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;
+ int wsize;
+ int rsize; /* max readahead */
+ int congestion_kb; /* max writeback in flight */
+ int caps_wanted_delay_min, caps_wanted_delay_max;
+ int cap_release_safety;
+ int max_readdir; /* max readdir result (entires) */
+ int max_readdir_bytes; /* max readdir result (bytes) */
char *snapdir_name; /* default ".snap" */
char *name;
char *secret;
- int cap_release_safety;
};
/*
@@ -80,13 +86,14 @@ struct ceph_mount_args {
#define CEPH_OSD_KEEPALIVE_DEFAULT 5
#define CEPH_OSD_IDLE_TTL_DEFAULT 60
#define CEPH_MOUNT_RSIZE_DEFAULT (512*1024) /* readahead */
+#define CEPH_MAX_READDIR_DEFAULT 1024
+#define CEPH_MAX_READDIR_BYTES_DEFAULT (512*1024)
#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
* the file. Delay a minimum amount of time, even if we send a cap
@@ -96,6 +103,7 @@ struct ceph_mount_args {
#define CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT 5 /* cap release delay */
#define CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT 60 /* cap release delay */
+#define CEPH_CAP_RELEASE_SAFETY_DEFAULT (CEPH_CAPS_PER_RELEASE * 4)
/* mount state */
enum {
@@ -160,12 +168,6 @@ struct ceph_client {
#endif
};
-static inline struct ceph_client *ceph_client(struct super_block *sb)
-{
- return sb->s_fs_info;
-}
-
-
/*
* File i/o capability. This tracks shared state with the metadata
* server that allows us to cache or writeback attributes or to read
@@ -564,11 +566,13 @@ 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);
@@ -742,13 +746,6 @@ 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;
@@ -810,13 +807,16 @@ 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, struct dentry *dentry, int datasync);
+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);
@@ -861,7 +861,7 @@ 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);
@@ -871,6 +871,7 @@ extern struct dentry *ceph_finish_lookup(struct ceph_mds_request *req,
extern void ceph_dentry_lru_add(struct dentry *dn);
extern void ceph_dentry_lru_touch(struct dentry *dn);
extern void ceph_dentry_lru_del(struct dentry *dn);
+extern void ceph_invalidate_dentry_lease(struct dentry *dentry);
/*
* our d_ops vary depending on whether the inode is live,
@@ -891,6 +892,14 @@ 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)
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-27 03:57:48 +0000