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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  rbd: use watch/notify for changes in rbd header
  libceph: add lingering request and watch/notify event framework
  rbd: update email address in Documentation
  ceph: rename dentry_release -> d_release, fix comment
  ceph: add request to the tail of unsafe write list
  ceph: remove request from unsafe list if it is canceled/timed out
  ceph: move readahead default to fs/ceph from libceph
  ceph: add ino32 mount option
  ceph: update common header files
  ceph: remove debugfs debug cruft
  libceph: fix osd request queuing on osdmap updates
  ceph: preserve I_COMPLETE across rename
  libceph: Fix base64-decoding when input ends in newline.
This commit is contained in:
Linus Torvalds
2011-03-22 16:25:25 -07:00
parent f23eb2b2b2 59c2be1e4d
commit 0adfc56ce8
15 changed files with 1018 additions and 230 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
include/linux/ceph/ceph_fs.h
View File

@@ -136,9 +136,18 @@ struct ceph_dir_layout {
/* osd */
#define CEPH_MSG_OSD_MAP 41
#define CEPH_MSG_OSD_OP 42
#define CEPH_MSG_OSD_OPREPLY 43
#define CEPH_MSG_OSD_MAP 41
#define CEPH_MSG_OSD_OP 42
#define CEPH_MSG_OSD_OPREPLY 43
#define CEPH_MSG_WATCH_NOTIFY 44
/* watch-notify operations */
enum {
WATCH_NOTIFY = 1, /* notifying watcher */
WATCH_NOTIFY_COMPLETE = 2, /* notifier notified when done */
};
/* pool operations */
enum {
@@ -213,8 +222,10 @@ struct ceph_client_mount {
struct ceph_mon_request_header monhdr;
} __attribute__ ((packed));
#define CEPH_SUBSCRIBE_ONETIME 1 /* i want only 1 update after have */
struct ceph_mon_subscribe_item {
__le64 have_version; __le64 have;
__le64 have_version; __le64 have;
__u8 onetime;
} __attribute__ ((packed));

1
include/linux/ceph/libceph.h
View File

@@ -71,7 +71,6 @@ struct ceph_options {
#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)

57
include/linux/ceph/osd_client.h
View File

@@ -32,6 +32,7 @@ struct ceph_osd {
struct rb_node o_node;
struct ceph_connection o_con;
struct list_head o_requests;
struct list_head o_linger_requests;
struct list_head o_osd_lru;
struct ceph_authorizer *o_authorizer;
void *o_authorizer_buf, *o_authorizer_reply_buf;
@@ -47,6 +48,8 @@ struct ceph_osd_request {
struct rb_node r_node;
struct list_head r_req_lru_item;
struct list_head r_osd_item;
struct list_head r_linger_item;
struct list_head r_linger_osd;
struct ceph_osd *r_osd;
struct ceph_pg r_pgid;
int r_pg_osds[CEPH_PG_MAX_SIZE];
@@ -59,6 +62,7 @@ struct ceph_osd_request {
int r_flags; /* any additional flags for the osd */
u32 r_sent; /* >0 if r_request is sending/sent */
int r_got_reply;
int r_linger;
struct ceph_osd_client *r_osdc;
struct kref r_kref;
@@ -74,7 +78,6 @@ struct ceph_osd_request {
char r_oid[40]; /* object name */
int r_oid_len;
unsigned long r_stamp; /* send OR check time */
bool r_resend; /* msg send failed, needs retry */
struct ceph_file_layout r_file_layout;
struct ceph_snap_context *r_snapc; /* snap context for writes */
@@ -90,6 +93,26 @@ struct ceph_osd_request {
struct ceph_pagelist *r_trail; /* trailing part of the data */
};
struct ceph_osd_event {
u64 cookie;
int one_shot;
struct ceph_osd_client *osdc;
void (*cb)(u64, u64, u8, void *);
void *data;
struct rb_node node;
struct list_head osd_node;
struct kref kref;
struct completion completion;
};
struct ceph_osd_event_work {
struct work_struct work;
struct ceph_osd_event *event;
u64 ver;
u64 notify_id;
u8 opcode;
};
struct ceph_osd_client {
struct ceph_client *client;
@@ -104,7 +127,10 @@ struct ceph_osd_client {
u64 timeout_tid; /* tid of timeout triggering rq */
u64 last_tid; /* tid of last request */
struct rb_root requests; /* pending requests */
struct list_head req_lru; /* pending requests lru */
struct list_head req_lru; /* in-flight lru */
struct list_head req_unsent; /* unsent/need-resend queue */
struct list_head req_notarget; /* map to no osd */
struct list_head req_linger; /* lingering requests */
int num_requests;
struct delayed_work timeout_work;
struct delayed_work osds_timeout_work;
@@ -116,6 +142,12 @@ struct ceph_osd_client {
struct ceph_msgpool msgpool_op;
struct ceph_msgpool msgpool_op_reply;
spinlock_t event_lock;
struct rb_root event_tree;
u64 event_count;
struct workqueue_struct *notify_wq;
};
struct ceph_osd_req_op {
@@ -150,6 +182,13 @@ struct ceph_osd_req_op {
struct {
u64 snapid;
} snap;
struct {
u64 cookie;
u64 ver;
__u8 flag;
u32 prot_ver;
u32 timeout;
} watch;
};
u32 payload_len;
};
@@ -198,6 +237,11 @@ extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *,
bool use_mempool, int num_reply,
int page_align);
extern void ceph_osdc_set_request_linger(struct ceph_osd_client *osdc,
struct ceph_osd_request *req);
extern void ceph_osdc_unregister_linger_request(struct ceph_osd_client *osdc,
struct ceph_osd_request *req);
static inline void ceph_osdc_get_request(struct ceph_osd_request *req)
{
kref_get(&req->r_kref);
@@ -233,5 +277,14 @@ extern int ceph_osdc_writepages(struct ceph_osd_client *osdc,
struct page **pages, int nr_pages,
int flags, int do_sync, bool nofail);
/* watch/notify events */
extern int ceph_osdc_create_event(struct ceph_osd_client *osdc,
void (*event_cb)(u64, u64, u8, void *),
int one_shot, void *data,
struct ceph_osd_event **pevent);
extern void ceph_osdc_cancel_event(struct ceph_osd_event *event);
extern int ceph_osdc_wait_event(struct ceph_osd_event *event,
unsigned long timeout);
extern void ceph_osdc_put_event(struct ceph_osd_event *event);
#endif

39
include/linux/ceph/rados.h
View File

@@ -12,9 +12,9 @@
* osdmap encoding versions
*/
#define CEPH_OSDMAP_INC_VERSION 5
#define CEPH_OSDMAP_INC_VERSION_EXT 5
#define CEPH_OSDMAP_INC_VERSION_EXT 6
#define CEPH_OSDMAP_VERSION 5
#define CEPH_OSDMAP_VERSION_EXT 5
#define CEPH_OSDMAP_VERSION_EXT 6
/*
* fs id
@@ -181,9 +181,17 @@ enum {
/* read */
CEPH_OSD_OP_READ = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 1,
CEPH_OSD_OP_STAT = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 2,
CEPH_OSD_OP_MAPEXT = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 3,
/* fancy read */
CEPH_OSD_OP_MASKTRUNC = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 4,
CEPH_OSD_OP_MASKTRUNC = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 4,
CEPH_OSD_OP_SPARSE_READ = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 5,
CEPH_OSD_OP_NOTIFY = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 6,
CEPH_OSD_OP_NOTIFY_ACK = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 7,
/* versioning */
CEPH_OSD_OP_ASSERT_VER = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 8,
/* write */
CEPH_OSD_OP_WRITE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 1,
@@ -205,6 +213,8 @@ enum {
CEPH_OSD_OP_CREATE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 13,
CEPH_OSD_OP_ROLLBACK= CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 14,
CEPH_OSD_OP_WATCH = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 15,
/** attrs **/
/* read */
CEPH_OSD_OP_GETXATTR = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 1,
@@ -218,11 +228,14 @@ enum {
CEPH_OSD_OP_RMXATTR = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 4,
/** subop **/
CEPH_OSD_OP_PULL = CEPH_OSD_OP_MODE_SUB | 1,
CEPH_OSD_OP_PUSH = CEPH_OSD_OP_MODE_SUB | 2,
CEPH_OSD_OP_BALANCEREADS = CEPH_OSD_OP_MODE_SUB | 3,
CEPH_OSD_OP_UNBALANCEREADS = CEPH_OSD_OP_MODE_SUB | 4,
CEPH_OSD_OP_SCRUB = CEPH_OSD_OP_MODE_SUB | 5,
CEPH_OSD_OP_PULL = CEPH_OSD_OP_MODE_SUB | 1,
CEPH_OSD_OP_PUSH = CEPH_OSD_OP_MODE_SUB | 2,
CEPH_OSD_OP_BALANCEREADS = CEPH_OSD_OP_MODE_SUB | 3,
CEPH_OSD_OP_UNBALANCEREADS = CEPH_OSD_OP_MODE_SUB | 4,
CEPH_OSD_OP_SCRUB = CEPH_OSD_OP_MODE_SUB | 5,
CEPH_OSD_OP_SCRUB_RESERVE = CEPH_OSD_OP_MODE_SUB | 6,
CEPH_OSD_OP_SCRUB_UNRESERVE = CEPH_OSD_OP_MODE_SUB | 7,
CEPH_OSD_OP_SCRUB_STOP = CEPH_OSD_OP_MODE_SUB | 8,
/** lock **/
CEPH_OSD_OP_WRLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 1,
@@ -328,6 +341,8 @@ enum {
CEPH_OSD_CMPXATTR_MODE_U64 = 2
};
#define RADOS_NOTIFY_VER 1
/*
* an individual object operation. each may be accompanied by some data
* payload
@@ -359,7 +374,12 @@ struct ceph_osd_op {
struct {
__le64 snapid;
} __attribute__ ((packed)) snap;
};
struct {
__le64 cookie;
__le64 ver;
__u8 flag; /* 0 = unwatch, 1 = watch */
} __attribute__ ((packed)) watch;
};
__le32 payload_len;
} __attribute__ ((packed));
@@ -402,4 +422,5 @@ struct ceph_osd_reply_head {
} __attribute__ ((packed));
#endif