From 3108d4529d57690f58027da61ac5e56a0987ed57 Mon Sep 17 00:00:00 2001 From: "Kaleb S. KEITHLEY" Date: Wed, 21 Aug 2013 14:11:38 -0400 Subject: client_t: phase 2, refactor server_ctx and locks_ctx out remove server_ctx and locks_ctx from client_ctx directly and store as into discrete entities in the scratch_ctx hooking up dump will be in phase 3 BUG: 849630 Change-Id: I94cea328326db236cdfdf306cb381e4d58f58d4c Signed-off-by: Kaleb S. KEITHLEY Reviewed-on: http://review.gluster.org/5678 Tested-by: Gluster Build System Reviewed-by: Anand Avati --- xlators/features/locks/src/posix.c | 167 +++++++++++++++++++++++++++++++------ 1 file changed, 141 insertions(+), 26 deletions(-) (limited to 'xlators/features/locks/src/posix.c') diff --git a/xlators/features/locks/src/posix.c b/xlators/features/locks/src/posix.c index 0d6f32fa3..7bfb38a51 100644 --- a/xlators/features/locks/src/posix.c +++ b/xlators/features/locks/src/posix.c @@ -51,7 +51,7 @@ pl_new_fdctx () fdctx = GF_CALLOC (1, sizeof (*fdctx), gf_locks_mt_pl_fdctx_t); - GF_VALIDATE_OR_GOTO (POSIX_LOCKS, fdctx, out); + GF_VALIDATE_OR_GOTO ("posix-locks", fdctx, out); INIT_LIST_HEAD (&fdctx->locks_list); @@ -66,7 +66,7 @@ pl_check_n_create_fdctx (xlator_t *this, fd_t *fd) uint64_t tmp = 0; pl_fdctx_t *fdctx = NULL; - GF_VALIDATE_OR_GOTO (POSIX_LOCKS, this, out); + GF_VALIDATE_OR_GOTO ("posix-locks", this, out); GF_VALIDATE_OR_GOTO (this->name, fd, out); LOCK (&fd->lock); @@ -119,7 +119,7 @@ pl_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static int truncate_allowed (pl_inode_t *pl_inode, - void *transport, pid_t client_pid, + client_t *client, pid_t client_pid, gf_lkowner_t *owner, off_t offset) { posix_lock_t *l = NULL; @@ -128,7 +128,7 @@ truncate_allowed (pl_inode_t *pl_inode, region.fl_start = offset; region.fl_end = LLONG_MAX; - region.transport = transport; + region.client = client; region.client_pid = client_pid; region.owner = *owner; @@ -139,7 +139,7 @@ truncate_allowed (pl_inode_t *pl_inode, && locks_overlap (®ion, l) && !same_owner (®ion, l)) { ret = 0; - gf_log (POSIX_LOCKS, GF_LOG_TRACE, "Truncate " + gf_log ("posix-locks", GF_LOG_TRACE, "Truncate " "allowed"); break; } @@ -186,7 +186,7 @@ truncate_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (priv->mandatory && pl_inode->mandatory - && !truncate_allowed (pl_inode, frame->root->trans, + && !truncate_allowed (pl_inode, frame->root->client, frame->root->pid, &frame->root->lk_owner, local->offset)) { op_ret = -1; @@ -347,7 +347,7 @@ delete_locks_of_fd (xlator_t *this, pl_inode_t *pl_inode, fd_t *fd) static void __delete_locks_of_owner (pl_inode_t *pl_inode, - void *transport, gf_lkowner_t *owner) + client_t *client, gf_lkowner_t *owner) { posix_lock_t *tmp = NULL; posix_lock_t *l = NULL; @@ -357,7 +357,7 @@ __delete_locks_of_owner (pl_inode_t *pl_inode, list_for_each_entry_safe (l, tmp, &pl_inode->ext_list, list) { if (l->blocked) continue; - if ((l->transport == transport) && + if ((l->client == client) && is_same_lkowner (&l->owner, owner)) { gf_log ("posix-locks", GF_LOG_TRACE, " Flushing lock" @@ -810,7 +810,7 @@ pl_migrate_locks (call_frame_t *frame, fd_t *newfd, uint64_t oldfd_num, list_for_each_entry (l, &pl_inode->ext_list, list) { if (l->fd_num == oldfd_num) { l->fd_num = newfd_num; - l->transport = frame->root->trans; + l->client = frame->root->client; } } } @@ -983,7 +983,7 @@ pl_flush (call_frame_t *frame, xlator_t *this, } pthread_mutex_lock (&pl_inode->mutex); { - __delete_locks_of_owner (pl_inode, frame->root->trans, + __delete_locks_of_owner (pl_inode, frame->root->client, &frame->root->lk_owner); } pthread_mutex_unlock (&pl_inode->mutex); @@ -1178,7 +1178,7 @@ pl_readv (call_frame_t *frame, xlator_t *this, if (priv->mandatory && pl_inode->mandatory) { region.fl_start = offset; region.fl_end = offset + size - 1; - region.transport = frame->root->trans; + region.client = frame->root->client; region.fd_num = fd_to_fdnum(fd); region.client_pid = frame->root->pid; region.owner = frame->root->lk_owner; @@ -1272,7 +1272,7 @@ pl_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, if (priv->mandatory && pl_inode->mandatory) { region.fl_start = offset; region.fl_end = offset + iov_length (vector, count) - 1; - region.transport = frame->root->trans; + region.client = frame->root->client; region.fd_num = fd_to_fdnum(fd); region.client_pid = frame->root->pid; region.owner = frame->root->lk_owner; @@ -1353,7 +1353,7 @@ lock_dup (posix_lock_t *lock) { posix_lock_t *new_lock = NULL; - new_lock = new_posix_lock (&lock->user_flock, lock->transport, + new_lock = new_posix_lock (&lock->user_flock, lock->client, lock->client_pid, &lock->owner, (fd_t *)lock->fd_num); return new_lock; @@ -1513,8 +1513,6 @@ int pl_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd, struct gf_flock *flock, dict_t *xdata) { - void *transport = NULL; - pid_t client_pid = 0; pl_inode_t *pl_inode = NULL; int op_ret = 0; int op_errno = 0; @@ -1523,9 +1521,6 @@ pl_lk (call_frame_t *frame, xlator_t *this, posix_lock_t *conf = NULL; int ret = 0; - transport = frame->root->trans; - client_pid = frame->root->pid; - if ((flock->l_start < 0) || (flock->l_len < 0)) { op_ret = -1; op_errno = EINVAL; @@ -1539,7 +1534,7 @@ pl_lk (call_frame_t *frame, xlator_t *this, goto unwind; } - reqlock = new_posix_lock (flock, transport, client_pid, + reqlock = new_posix_lock (flock, frame->root->client, frame->root->pid, &frame->root->lk_owner, fd); if (!reqlock) { @@ -2328,7 +2323,7 @@ __dump_inodelks (pl_inode_t *pl_inode) SET_FLOCK_PID (&lock->user_flock, lock); pl_dump_lock (tmp, 256, &lock->user_flock, &lock->owner, - lock->transport, lock->connection_id, + lock->client, lock->connection_id, &lock->granted_time.tv_sec, &lock->blkd_time.tv_sec, _gf_true); @@ -2345,7 +2340,7 @@ __dump_inodelks (pl_inode_t *pl_inode) SET_FLOCK_PID (&lock->user_flock, lock); pl_dump_lock (tmp, 256, &lock->user_flock, &lock->owner, - lock->transport, lock->connection_id, + lock->client, lock->connection_id, 0, &lock->blkd_time.tv_sec, _gf_false); gf_proc_dump_write(key, tmp); @@ -2386,7 +2381,7 @@ __dump_posixlks (pl_inode_t *pl_inode) count, lock->blocked ? "BLOCKED" : "ACTIVE"); pl_dump_lock (tmp, 256, &lock->user_flock, - &lock->owner, lock->transport, NULL, + &lock->owner, lock->client, NULL, &lock->granted_time.tv_sec, &lock->blkd_time.tv_sec, (lock->blocked)? _gf_false: _gf_true); gf_proc_dump_write(key, tmp); @@ -2510,6 +2505,124 @@ mem_acct_init (xlator_t *this) return ret; } + +pl_ctx_t* +pl_ctx_get (client_t *client, xlator_t *xlator) +{ + void *tmp = NULL; + pl_ctx_t *ctx = NULL; + + client_ctx_get (client, xlator, &tmp); + + ctx = tmp; + + if (ctx != NULL) + goto out; + + ctx = GF_CALLOC (1, sizeof (pl_ctx_t), gf_locks_mt_posix_lock_t); + + if (ctx == NULL) + goto out; + + ctx->ltable = pl_lock_table_new(); + + if (ctx->ltable == NULL) { + GF_FREE (ctx); + ctx = NULL; + goto out; + } + + LOCK_INIT (&ctx->ltable_lock); + + if (client_ctx_set (client, xlator, ctx) != 0) { + LOCK_DESTROY (&ctx->ltable_lock); + GF_FREE (ctx->ltable); + GF_FREE (ctx); + ctx = NULL; + } +out: + return ctx; +} + +static void +ltable_delete_locks (struct _lock_table *ltable) +{ + struct _locker *locker = NULL; + struct _locker *tmp = NULL; + + list_for_each_entry_safe (locker, tmp, <able->inodelk_lockers, lockers) { + if (locker->fd) + pl_del_locker (ltable, locker->volume, &locker->loc, + locker->fd, &locker->owner, + GF_FOP_INODELK); + GF_FREE (locker->volume); + GF_FREE (locker); + } + + list_for_each_entry_safe (locker, tmp, <able->entrylk_lockers, lockers) { + if (locker->fd) + pl_del_locker (ltable, locker->volume, &locker->loc, + locker->fd, &locker->owner, + GF_FOP_ENTRYLK); + GF_FREE (locker->volume); + GF_FREE (locker); + } + GF_FREE (ltable); +} + + +static int32_t +destroy_cbk (xlator_t *this, client_t *client) +{ + void *tmp = NULL; + pl_ctx_t *locks_ctx = NULL; + + client_ctx_del (client, this, &tmp); + + if (tmp == NULL) + return 0 +; + locks_ctx = tmp; + if (locks_ctx->ltable) + ltable_delete_locks (locks_ctx->ltable); + + LOCK_DESTROY (&locks_ctx->ltable_lock); + GF_FREE (locks_ctx); + + return 0; +} + + +static int32_t +disconnect_cbk (xlator_t *this, client_t *client) +{ + int32_t ret = 0; + pl_ctx_t *locks_ctx = NULL; + struct _lock_table *ltable = NULL; + + locks_ctx = pl_ctx_get (client, this); + if (locks_ctx == NULL) { + gf_log (this->name, GF_LOG_INFO, "pl_ctx_get() failed"); + goto out; + } + + LOCK (&locks_ctx->ltable_lock); + { + if (locks_ctx->ltable) { + ltable = locks_ctx->ltable; + locks_ctx->ltable = pl_lock_table_new (); + } + } + UNLOCK (&locks_ctx->ltable_lock); + + if (ltable) + ltable_delete_locks (ltable); + +out: + return ret; +} + + int init (xlator_t *this) { @@ -2538,7 +2651,7 @@ init (xlator_t *this) gf_log (this->name, GF_LOG_CRITICAL, "'locks' translator is not loaded over a storage " "translator"); - goto out;; + goto out; } priv = GF_CALLOC (1, sizeof (*priv), @@ -2640,9 +2753,11 @@ struct xlator_dumpops dumpops = { }; struct xlator_cbks cbks = { - .forget = pl_forget, - .release = pl_release, - .releasedir = pl_releasedir, + .forget = pl_forget, + .release = pl_release, + .releasedir = pl_releasedir, + .client_destroy = destroy_cbk, + .client_disconnect = disconnect_cbk, }; -- cgit