#include <linux/types.h>
#include <linux/slab.h>
#include <linux/highmem.h>
-#include <linux/smp_lock.h>
#define MLOG_MASK_PREFIX ML_SUPER
#include <cluster/masklog.h>
s16 slot_num,
s16 node_num);
-/* Use the slot information we've collected to create a map of mounted
- * nodes. Should be holding an EX on super block. assumes slot info is
- * up to date. Note that we call this *after* we find a slot, so our
- * own node should be set in the map too... */
-void ocfs2_populate_mounted_map(struct ocfs2_super *osb)
-{
- int i;
- struct ocfs2_slot_info *si = osb->slot_info;
-
- spin_lock(&si->si_lock);
-
- for (i = 0; i < si->si_size; i++)
- if (si->si_global_node_nums[i] != OCFS2_INVALID_SLOT)
- ocfs2_node_map_set_bit(osb, &osb->mounted_map,
- si->si_global_node_nums[i]);
-
- spin_unlock(&si->si_lock);
-}
-
/* post the slot information on disk into our slot_info struct. */
void ocfs2_update_slot_info(struct ocfs2_slot_info *si)
{
return ret;
}
-static s16 __ocfs2_find_empty_slot(struct ocfs2_slot_info *si)
+static s16 __ocfs2_find_empty_slot(struct ocfs2_slot_info *si, s16 preferred)
{
int i;
s16 ret = OCFS2_INVALID_SLOT;
+ if (preferred >= 0 && preferred < si->si_num_slots) {
+ if (OCFS2_INVALID_SLOT == si->si_global_node_nums[preferred]) {
+ ret = preferred;
+ goto out;
+ }
+ }
+
for(i = 0; i < si->si_num_slots; i++) {
if (OCFS2_INVALID_SLOT == si->si_global_node_nums[i]) {
ret = (s16) i;
break;
}
}
+out:
return ret;
}
goto bail;
}
- status = ocfs2_extent_map_get_blocks(inode, 0ULL, 1, &blkno, NULL);
+ status = ocfs2_extent_map_get_blocks(inode, 0ULL, &blkno, NULL, NULL);
if (status < 0) {
mlog_errno(status);
goto bail;
if (slot == OCFS2_INVALID_SLOT) {
/* if no slot yet, then just take 1st available
* one. */
- slot = __ocfs2_find_empty_slot(si);
+ slot = __ocfs2_find_empty_slot(si, osb->preferred_slot);
if (slot == OCFS2_INVALID_SLOT) {
spin_unlock(&si->si_lock);
mlog(ML_ERROR, "no free slots available!\n");