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Searched refs:glock (Results 1 – 7 of 7) sorted by relevance

/linux-4.1.27/Documentation/filesystems/
Dgfs2-glocks.txt4 This documents the basic principles of the glock state machine
5 internals. Each glock (struct gfs2_glock in fs/gfs2/incore.h)
17 just the holders) associated with the glock. If there are any
23 There are three lock states that users of the glock layer can request,
29 UN | IV/NL Unlocked (no DLM lock associated with glock) or NL
46 These rules are implemented using the various glock operations which
47 are defined for each type of glock. Not all types of glocks use
50 Table of glock operations and per type constants:
57 go_demote_ok | Returns boolean value of whether its ok to demote a glock
62 | error to dump glock to the log.
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/linux-4.1.27/fs/9p/
Dvfs_file.c243 struct p9_getlock glock; in v9fs_file_getlock() local
259 memset(&glock, 0, sizeof(glock)); in v9fs_file_getlock()
260 glock.type = P9_LOCK_TYPE_UNLCK; in v9fs_file_getlock()
261 glock.start = fl->fl_start; in v9fs_file_getlock()
263 glock.length = 0; in v9fs_file_getlock()
265 glock.length = fl->fl_end - fl->fl_start + 1; in v9fs_file_getlock()
266 glock.proc_id = fl->fl_pid; in v9fs_file_getlock()
267 glock.client_id = fid->clnt->name; in v9fs_file_getlock()
269 res = p9_client_getlock_dotl(fid, &glock); in v9fs_file_getlock()
273 switch (glock.type) { in v9fs_file_getlock()
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/linux-4.1.27/net/9p/
Dclient.c2207 int p9_client_getlock_dotl(struct p9_fid *fid, struct p9_getlock *glock) in p9_client_getlock_dotl() argument
2216 "length %lld proc_id %d client_id %s\n", fid->fid, glock->type, in p9_client_getlock_dotl()
2217 glock->start, glock->length, glock->proc_id, glock->client_id); in p9_client_getlock_dotl()
2219 req = p9_client_rpc(clnt, P9_TGETLOCK, "dbqqds", fid->fid, glock->type, in p9_client_getlock_dotl()
2220 glock->start, glock->length, glock->proc_id, glock->client_id); in p9_client_getlock_dotl()
2225 err = p9pdu_readf(req->rc, clnt->proto_version, "bqqds", &glock->type, in p9_client_getlock_dotl()
2226 &glock->start, &glock->length, &glock->proc_id, in p9_client_getlock_dotl()
2227 &glock->client_id); in p9_client_getlock_dotl()
2233 "proc_id %d client_id %s\n", glock->type, glock->start, in p9_client_getlock_dotl()
2234 glock->length, glock->proc_id, glock->client_id); in p9_client_getlock_dotl()
/linux-4.1.27/fs/gfs2/
DMakefile3 gfs2-y := acl.o bmap.o dir.o xattr.o glock.o \
/linux-4.1.27/drivers/staging/lustre/lnet/klnds/o2iblnd/
Do2iblnd.c645 rwlock_t *glock = &kiblnd_data.kib_global_lock; in kiblnd_create_conn() local
703 write_lock_irqsave(glock, flags); in kiblnd_create_conn()
705 write_unlock_irqrestore(glock, flags); in kiblnd_create_conn()
718 write_unlock_irqrestore(glock, flags); in kiblnd_create_conn()
729 write_unlock_irqrestore(glock, flags); in kiblnd_create_conn()
1058 rwlock_t *glock = &kiblnd_data.kib_global_lock; in kiblnd_query() local
1062 read_lock_irqsave(glock, flags); in kiblnd_query()
1072 read_unlock_irqrestore(glock, flags); in kiblnd_query()
Do2iblnd_cb.c3435 rwlock_t *glock = &kiblnd_data.kib_global_lock; in kiblnd_failover_thread() local
3446 write_lock_irqsave(glock, flags); in kiblnd_failover_thread()
3464 write_unlock_irqrestore(glock, flags); in kiblnd_failover_thread()
3468 write_lock_irqsave(glock, flags); in kiblnd_failover_thread()
3493 write_unlock_irqrestore(glock, flags); in kiblnd_failover_thread()
3498 write_lock_irqsave(glock, flags); in kiblnd_failover_thread()
3515 write_unlock_irqrestore(glock, flags); in kiblnd_failover_thread()
/linux-4.1.27/drivers/staging/lustre/lnet/klnds/socklnd/
Dsocklnd.c1790 rwlock_t *glock = &ksocknal_data.ksnd_global_lock; in ksocknal_query() local
1793 read_lock(glock); in ksocknal_query()
1819 read_unlock(glock); in ksocknal_query()
1834 write_lock_bh(glock); in ksocknal_query()
1840 write_unlock_bh(glock); in ksocknal_query()