summaryrefslogtreecommitdiff
path: root/fs/ext4/mballoc.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r--fs/ext4/mballoc.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e72c72a0b807..7f6fc41a2dde 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3555,8 +3555,11 @@ static void ext4_mb_put_pa(struct ext4_allocation_context *ac,
spin_unlock(&pa->pa_lock);
grp_blk = pa->pa_pstart;
- /* If linear, pa_pstart may be in the next group when pa is used up */
- if (pa->pa_linear)
+ /*
+ * If doing group-based preallocation, pa_pstart may be in the
+ * next group when pa is used up
+ */
+ if (pa->pa_type == MB_GROUP_PA)
grp_blk--;
ext4_get_group_no_and_offset(sb, grp_blk, &grp, NULL);
@@ -3651,7 +3654,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
INIT_LIST_HEAD(&pa->pa_inode_list);
INIT_LIST_HEAD(&pa->pa_group_list);
pa->pa_deleted = 0;
- pa->pa_linear = 0;
+ pa->pa_type = MB_INODE_PA;
mb_debug("new inode pa %p: %llu/%u for %u\n", pa,
pa->pa_pstart, pa->pa_len, pa->pa_lstart);
@@ -3714,7 +3717,7 @@ ext4_mb_new_group_pa(struct ext4_allocation_context *ac)
INIT_LIST_HEAD(&pa->pa_inode_list);
INIT_LIST_HEAD(&pa->pa_group_list);
pa->pa_deleted = 0;
- pa->pa_linear = 1;
+ pa->pa_type = MB_GROUP_PA;
mb_debug("new group pa %p: %llu/%u for %u\n", pa,
pa->pa_pstart, pa->pa_len, pa->pa_lstart);
@@ -3968,7 +3971,7 @@ repeat:
list_del_rcu(&pa->pa_inode_list);
spin_unlock(pa->pa_obj_lock);
- if (pa->pa_linear)
+ if (pa->pa_type == MB_GROUP_PA)
ext4_mb_release_group_pa(&e4b, pa, ac);
else
ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa, ac);
@@ -4068,7 +4071,7 @@ repeat:
spin_unlock(&ei->i_prealloc_lock);
list_for_each_entry_safe(pa, tmp, &list, u.pa_tmp_list) {
- BUG_ON(pa->pa_linear != 0);
+ BUG_ON(pa->pa_type != MB_INODE_PA);
ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, NULL);
err = ext4_mb_load_buddy(sb, group, &e4b);
@@ -4320,7 +4323,7 @@ ext4_mb_discard_lg_preallocations(struct super_block *sb,
continue;
}
/* only lg prealloc space */
- BUG_ON(!pa->pa_linear);
+ BUG_ON(pa->pa_type != MB_GROUP_PA);
/* seems this one can be freed ... */
pa->pa_deleted = 1;
@@ -4426,7 +4429,7 @@ static int ext4_mb_release_context(struct ext4_allocation_context *ac)
{
struct ext4_prealloc_space *pa = ac->ac_pa;
if (pa) {
- if (pa->pa_linear) {
+ if (pa->pa_type == MB_GROUP_PA) {
/* see comment in ext4_mb_use_group_pa() */
spin_lock(&pa->pa_lock);
pa->pa_pstart += ac->ac_b_ex.fe_len;
@@ -4446,7 +4449,7 @@ static int ext4_mb_release_context(struct ext4_allocation_context *ac)
* doesn't grow big. We need to release
* alloc_semp before calling ext4_mb_add_n_trim()
*/
- if (pa->pa_linear && likely(pa->pa_free)) {
+ if ((pa->pa_type == MB_GROUP_PA) && likely(pa->pa_free)) {
spin_lock(pa->pa_obj_lock);
list_del_rcu(&pa->pa_inode_list);
spin_unlock(pa->pa_obj_lock);