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authorRaghavendra G <raghavendra@gluster.com>2011-09-09 17:14:41 +0530
committerVijay Bellur <vijay@gluster.com>2011-09-14 04:01:17 -0700
commit9a16332d518c6318b761b230a0e1bb8ce357228e (patch)
tree38eaac51273bc36cdbcbb906fa903d1e62c1704d
parentb57e956caaf4536218b3b55ae78b4597858bdfde (diff)
features/quota: implement mknod fop.
Change-Id: If8f2a0bb635160ee78f35787ee9f8a4db87ae8ac BUG: 3531 Reviewed-on: http://review.gluster.com/384 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Mohammed Junaid <junaid@gluster.com>
-rw-r--r--xlators/features/quota/src/quota.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/xlators/features/quota/src/quota.c b/xlators/features/quota/src/quota.c
index 28107033e..ba691e389 100644
--- a/xlators/features/quota/src/quota.c
+++ b/xlators/features/quota/src/quota.c
@@ -2537,6 +2537,147 @@ unwind:
int32_t
+quota_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent)
+{
+ int32_t ret = -1;
+ quota_local_t *local = NULL;
+ quota_inode_ctx_t *ctx = NULL;
+ quota_dentry_t *dentry = NULL;
+
+ local = frame->local;
+ if (op_ret < 0) {
+ goto unwind;
+ }
+
+ ret = quota_inode_ctx_get (inode, -1, this, NULL, buf, &ctx, 1);
+ if ((ret == -1) || (ctx == NULL)) {
+ gf_log (this->name, GF_LOG_WARNING, "cannot create quota "
+ "context in inode(ino:%"PRId64", gfid:%s)",
+ inode->ino, uuid_utoa (inode->gfid));
+ op_ret = -1;
+ op_errno = ENOMEM;
+ goto unwind;
+ }
+
+ LOCK (&ctx->lock);
+ {
+ ctx->buf = *buf;
+
+ dentry = __quota_dentry_new (ctx, (char *)local->loc.name,
+ local->loc.parent->ino);
+ if (dentry == NULL) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "cannot create a new dentry (par:%"
+ PRId64", name:%s) for inode(ino:%"
+ PRId64", gfid:%s)", local->loc.parent->ino,
+ local->loc.name, local->loc.inode->ino,
+ uuid_utoa (local->loc.inode->gfid));
+ op_ret = -1;
+ op_errno = ENOMEM;
+ goto unlock;
+ }
+ }
+unlock:
+ UNLOCK (&ctx->lock);
+
+unwind:
+ QUOTA_STACK_UNWIND (mknod, frame, op_ret, op_errno, inode,
+ buf, preparent, postparent);
+ return 0;
+}
+
+
+int
+quota_mknod_helper (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ mode_t mode, dev_t rdev, dict_t *parms)
+{
+ quota_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
+
+ local = frame->local;
+ if (local == NULL) {
+ gf_log (this->name, GF_LOG_WARNING, "local is NULL");
+ goto unwind;
+ }
+
+ if (local->op_ret == -1) {
+ op_errno = local->op_errno;
+ goto unwind;
+ }
+
+ STACK_WIND (frame, quota_mknod_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->mknod, loc, mode, rdev, parms);
+
+ return 0;
+
+unwind:
+ QUOTA_STACK_UNWIND (mknod, frame, -1, op_errno, NULL, NULL,
+ NULL, NULL);
+ return 0;
+}
+
+
+int
+quota_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ dev_t rdev, dict_t *parms)
+{
+ int32_t ret = -1;
+ quota_local_t *local = NULL;
+ call_stub_t *stub = NULL;
+
+ local = quota_local_new ();
+ if (local == NULL) {
+ goto err;
+ }
+
+ frame->local = local;
+
+ ret = loc_copy (&local->loc, loc);
+ if (ret) {
+ gf_log (this->name, GF_LOG_WARNING, "loc_copy failed");
+ goto err;
+ }
+
+ stub = fop_mknod_stub (frame, quota_mknod_helper, loc, mode, rdev,
+ parms);
+ if (stub == NULL) {
+ goto err;
+ }
+
+ local->link_count = 1;
+ local->stub = stub;
+ local->delta = 0;
+
+ quota_check_limit (frame, loc->parent, this, NULL, 0);
+
+ stub = NULL;
+
+ LOCK (&local->lock);
+ {
+ local->link_count = 0;
+ if (local->validate_count == 0) {
+ stub = local->stub;
+ local->stub = NULL;
+ }
+ }
+ UNLOCK (&local->lock);
+
+ if (stub != NULL) {
+ call_resume (stub);
+ }
+
+ return 0;
+err:
+ QUOTA_STACK_UNWIND (mknod, frame, -1, ENOMEM, NULL, NULL, NULL, NULL);
+
+ return 0;
+}
+
+
+int32_t
mem_acct_init (xlator_t *this)
{
int ret = -1;
@@ -2738,6 +2879,7 @@ struct xlator_fops fops = {
.fsync = quota_fsync,
.setattr = quota_setattr,
.fsetattr = quota_fsetattr,
+ .mknod = quota_mknod
};
struct xlator_cbks cbks = {