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Diffstat (limited to 'xlators/features/locks/src/posix.c')
-rw-r--r--xlators/features/locks/src/posix.c167
1 files changed, 141 insertions, 26 deletions
diff --git a/xlators/features/locks/src/posix.c b/xlators/features/locks/src/posix.c
index 0d6f32fa328..7bfb38a51ac 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 (&region, l)
&& !same_owner (&region, 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, &ltable->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, &ltable->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,
};
generated by cgit (git 2.34.1) at 2024-04-23 12:25:41 +0000