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-rw-r--r--api/src/glfs-master.c225
1 files changed, 106 insertions, 119 deletions
diff --git a/api/src/glfs-master.c b/api/src/glfs-master.c
index 9648bbbc03a..969095a8224 100644
--- a/api/src/glfs-master.c
+++ b/api/src/glfs-master.c
@@ -22,166 +22,153 @@
#include "glfs-mem-types.h"
#include "gfapi-messages.h"
-
int
-graph_setup (struct glfs *fs, glusterfs_graph_t *graph)
+graph_setup(struct glfs *fs, glusterfs_graph_t *graph)
{
- xlator_t *new_subvol = NULL;
- xlator_t *old_subvol = NULL;
- inode_table_t *itable = NULL;
- int ret = -1;
-
- new_subvol = graph->top;
-
- /* This is called in a bottom-up context, it should specifically
- NOT be glfs_lock()
- */
- pthread_mutex_lock (&fs->mutex);
- {
- if (new_subvol->switched ||
- new_subvol == fs->active_subvol ||
- new_subvol == fs->next_subvol ||
- new_subvol == fs->mip_subvol) {
- /* Spurious CHILD_UP event on old graph */
- ret = 0;
- goto unlock;
- }
-
- if (!new_subvol->itable) {
- itable = inode_table_new (131072, new_subvol);
- if (!itable) {
- errno = ENOMEM;
- ret = -1;
- goto unlock;
- }
-
- new_subvol->itable = itable;
- }
-
- old_subvol = fs->next_subvol;
- fs->next_subvol = new_subvol;
- fs->next_subvol->winds++; /* first ref */
- ret = 0;
- }
+ xlator_t *new_subvol = NULL;
+ xlator_t *old_subvol = NULL;
+ inode_table_t *itable = NULL;
+ int ret = -1;
+
+ new_subvol = graph->top;
+
+ /* This is called in a bottom-up context, it should specifically
+ NOT be glfs_lock()
+ */
+ pthread_mutex_lock(&fs->mutex);
+ {
+ if (new_subvol->switched || new_subvol == fs->active_subvol ||
+ new_subvol == fs->next_subvol || new_subvol == fs->mip_subvol) {
+ /* Spurious CHILD_UP event on old graph */
+ ret = 0;
+ goto unlock;
+ }
+
+ if (!new_subvol->itable) {
+ itable = inode_table_new(131072, new_subvol);
+ if (!itable) {
+ errno = ENOMEM;
+ ret = -1;
+ goto unlock;
+ }
+
+ new_subvol->itable = itable;
+ }
+
+ old_subvol = fs->next_subvol;
+ fs->next_subvol = new_subvol;
+ fs->next_subvol->winds++; /* first ref */
+ ret = 0;
+ }
unlock:
- pthread_mutex_unlock (&fs->mutex);
+ pthread_mutex_unlock(&fs->mutex);
- if (old_subvol)
- /* wasn't picked up so far, skip */
- glfs_subvol_done (fs, old_subvol);
+ if (old_subvol)
+ /* wasn't picked up so far, skip */
+ glfs_subvol_done(fs, old_subvol);
- return ret;
+ return ret;
}
-
int
-notify (xlator_t *this, int event, void *data, ...)
+notify(xlator_t *this, int event, void *data, ...)
{
- glusterfs_graph_t *graph = NULL;
- struct glfs *fs = NULL;
-
- graph = data;
- fs = this->private;
-
- switch (event) {
- case GF_EVENT_GRAPH_NEW:
- gf_msg (this->name, GF_LOG_INFO, 0, API_MSG_NEW_GRAPH,
- "New graph %s (%d) coming up",
- uuid_utoa ((unsigned char *)graph->graph_uuid),
- graph->id);
- break;
- case GF_EVENT_CHILD_UP:
- pthread_mutex_lock (&fs->mutex);
- {
- graph->used = 1;
- }
- pthread_mutex_unlock (&fs->mutex);
- graph_setup (fs, graph);
- glfs_init_done (fs, 0);
- break;
- case GF_EVENT_CHILD_DOWN:
- pthread_mutex_lock (&fs->mutex);
- {
- graph->used = 0;
- pthread_cond_broadcast (&fs->child_down_cond);
- }
- pthread_mutex_unlock (&fs->mutex);
- glfs_init_done (fs, 1);
- break;
- case GF_EVENT_CHILD_CONNECTING:
- break;
+ glusterfs_graph_t *graph = NULL;
+ struct glfs *fs = NULL;
+
+ graph = data;
+ fs = this->private;
+
+ switch (event) {
+ case GF_EVENT_GRAPH_NEW:
+ gf_msg(this->name, GF_LOG_INFO, 0, API_MSG_NEW_GRAPH,
+ "New graph %s (%d) coming up",
+ uuid_utoa((unsigned char *)graph->graph_uuid), graph->id);
+ break;
+ case GF_EVENT_CHILD_UP:
+ pthread_mutex_lock(&fs->mutex);
+ {
+ graph->used = 1;
+ }
+ pthread_mutex_unlock(&fs->mutex);
+ graph_setup(fs, graph);
+ glfs_init_done(fs, 0);
+ break;
+ case GF_EVENT_CHILD_DOWN:
+ pthread_mutex_lock(&fs->mutex);
+ {
+ graph->used = 0;
+ pthread_cond_broadcast(&fs->child_down_cond);
+ }
+ pthread_mutex_unlock(&fs->mutex);
+ glfs_init_done(fs, 1);
+ break;
+ case GF_EVENT_CHILD_CONNECTING:
+ break;
case GF_EVENT_UPCALL:
- glfs_process_upcall_event (fs, data);
- break;
- default:
- gf_msg_debug (this->name, 0, "got notify event %d", event);
- break;
- }
-
- return 0;
+ glfs_process_upcall_event(fs, data);
+ break;
+ default:
+ gf_msg_debug(this->name, 0, "got notify event %d", event);
+ break;
+ }
+
+ return 0;
}
-
int
-mem_acct_init (xlator_t *this)
+mem_acct_init(xlator_t *this)
{
- int ret = -1;
+ int ret = -1;
- if (!this)
- return ret;
+ if (!this)
+ return ret;
- ret = xlator_mem_acct_init (this, glfs_mt_end + 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- API_MSG_MEM_ACCT_INIT_FAILED, "Failed to initialise "
- "memory accounting");
- return ret;
- }
+ ret = xlator_mem_acct_init(this, glfs_mt_end + 1);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, API_MSG_MEM_ACCT_INIT_FAILED,
+ "Failed to initialise "
+ "memory accounting");
+ return ret;
+ }
- return 0;
+ return 0;
}
-
int
-init (xlator_t *this)
+init(xlator_t *this)
{
- return 0;
+ return 0;
}
-
void
-fini (xlator_t *this)
+fini(xlator_t *this)
{
-
}
/* place-holder fops */
int
-glfs_forget (xlator_t *this, inode_t *inode)
+glfs_forget(xlator_t *this, inode_t *inode)
{
- return 0;
+ return 0;
}
int
-glfs_release (xlator_t *this, fd_t *fd)
+glfs_release(xlator_t *this, fd_t *fd)
{
- return 0;
+ return 0;
}
int
-glfs_releasedir (xlator_t *this, fd_t *fd)
+glfs_releasedir(xlator_t *this, fd_t *fd)
{
- return 0;
+ return 0;
}
struct xlator_dumpops dumpops;
-
struct xlator_fops fops;
-
-struct xlator_cbks cbks = {
- .forget = glfs_forget,
- .release = glfs_release,
- .releasedir = glfs_releasedir
-};
+struct xlator_cbks cbks = {.forget = glfs_forget,
+ .release = glfs_release,
+ .releasedir = glfs_releasedir};
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