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-rw-r--r--fs/ocfs2/suballoc.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 487f00c45f84..b7a065e87cb0 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -48,7 +48,8 @@
48#include "buffer_head_io.h" 48#include "buffer_head_io.h"
49 49
50#define NOT_ALLOC_NEW_GROUP 0 50#define NOT_ALLOC_NEW_GROUP 0
51#define ALLOC_NEW_GROUP 1 51#define ALLOC_NEW_GROUP 0x1
52#define ALLOC_GROUPS_FROM_GLOBAL 0x2
52 53
53#define OCFS2_MAX_INODES_TO_STEAL 1024 54#define OCFS2_MAX_INODES_TO_STEAL 1024
54 55
@@ -64,7 +65,8 @@ static int ocfs2_block_group_fill(handle_t *handle,
64static int ocfs2_block_group_alloc(struct ocfs2_super *osb, 65static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
65 struct inode *alloc_inode, 66 struct inode *alloc_inode,
66 struct buffer_head *bh, 67 struct buffer_head *bh,
67 u64 max_block); 68 u64 max_block,
69 int flags);
68 70
69static int ocfs2_cluster_group_search(struct inode *inode, 71static int ocfs2_cluster_group_search(struct inode *inode,
70 struct buffer_head *group_bh, 72 struct buffer_head *group_bh,
@@ -116,6 +118,7 @@ static inline void ocfs2_block_to_cluster_group(struct inode *inode,
116 u16 *bg_bit_off); 118 u16 *bg_bit_off);
117static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb, 119static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb,
118 u32 bits_wanted, u64 max_block, 120 u32 bits_wanted, u64 max_block,
121 int flags,
119 struct ocfs2_alloc_context **ac); 122 struct ocfs2_alloc_context **ac);
120 123
121void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac) 124void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac)
@@ -403,7 +406,8 @@ static inline u16 ocfs2_find_smallest_chain(struct ocfs2_chain_list *cl)
403static int ocfs2_block_group_alloc(struct ocfs2_super *osb, 406static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
404 struct inode *alloc_inode, 407 struct inode *alloc_inode,
405 struct buffer_head *bh, 408 struct buffer_head *bh,
406 u64 max_block) 409 u64 max_block,
410 int flags)
407{ 411{
408 int status, credits; 412 int status, credits;
409 struct ocfs2_dinode *fe = (struct ocfs2_dinode *) bh->b_data; 413 struct ocfs2_dinode *fe = (struct ocfs2_dinode *) bh->b_data;
@@ -423,7 +427,7 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb,
423 cl = &fe->id2.i_chain; 427 cl = &fe->id2.i_chain;
424 status = ocfs2_reserve_clusters_with_limit(osb, 428 status = ocfs2_reserve_clusters_with_limit(osb,
425 le16_to_cpu(cl->cl_cpg), 429 le16_to_cpu(cl->cl_cpg),
426 max_block, &ac); 430 max_block, flags, &ac);
427 if (status < 0) { 431 if (status < 0) {
428 if (status != -ENOSPC) 432 if (status != -ENOSPC)
429 mlog_errno(status); 433 mlog_errno(status);
@@ -531,7 +535,7 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb,
531 struct ocfs2_alloc_context *ac, 535 struct ocfs2_alloc_context *ac,
532 int type, 536 int type,
533 u32 slot, 537 u32 slot,
534 int alloc_new_group) 538 int flags)
535{ 539{
536 int status; 540 int status;
537 u32 bits_wanted = ac->ac_bits_wanted; 541 u32 bits_wanted = ac->ac_bits_wanted;
@@ -587,7 +591,7 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb,
587 goto bail; 591 goto bail;
588 } 592 }
589 593
590 if (alloc_new_group != ALLOC_NEW_GROUP) { 594 if (!(flags & ALLOC_NEW_GROUP)) {
591 mlog(0, "Alloc File %u Full: wanted=%u, free_bits=%u, " 595 mlog(0, "Alloc File %u Full: wanted=%u, free_bits=%u, "
592 "and we don't alloc a new group for it.\n", 596 "and we don't alloc a new group for it.\n",
593 slot, bits_wanted, free_bits); 597 slot, bits_wanted, free_bits);
@@ -596,7 +600,7 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb,
596 } 600 }
597 601
598 status = ocfs2_block_group_alloc(osb, alloc_inode, bh, 602 status = ocfs2_block_group_alloc(osb, alloc_inode, bh,
599 ac->ac_max_block); 603 ac->ac_max_block, flags);
600 if (status < 0) { 604 if (status < 0) {
601 if (status != -ENOSPC) 605 if (status != -ENOSPC)
602 mlog_errno(status); 606 mlog_errno(status);
@@ -740,7 +744,9 @@ int ocfs2_reserve_new_inode(struct ocfs2_super *osb,
740 atomic_set(&osb->s_num_inodes_stolen, 0); 744 atomic_set(&osb->s_num_inodes_stolen, 0);
741 status = ocfs2_reserve_suballoc_bits(osb, *ac, 745 status = ocfs2_reserve_suballoc_bits(osb, *ac,
742 INODE_ALLOC_SYSTEM_INODE, 746 INODE_ALLOC_SYSTEM_INODE,
743 osb->slot_num, ALLOC_NEW_GROUP); 747 osb->slot_num,
748 ALLOC_NEW_GROUP |
749 ALLOC_GROUPS_FROM_GLOBAL);
744 if (status >= 0) { 750 if (status >= 0) {
745 status = 0; 751 status = 0;
746 752
@@ -806,6 +812,7 @@ bail:
806 * things a bit. */ 812 * things a bit. */
807static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb, 813static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb,
808 u32 bits_wanted, u64 max_block, 814 u32 bits_wanted, u64 max_block,
815 int flags,
809 struct ocfs2_alloc_context **ac) 816 struct ocfs2_alloc_context **ac)
810{ 817{
811 int status; 818 int status;
@@ -823,7 +830,8 @@ static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb,
823 (*ac)->ac_max_block = max_block; 830 (*ac)->ac_max_block = max_block;
824 831
825 status = -ENOSPC; 832 status = -ENOSPC;
826 if (ocfs2_alloc_should_use_local(osb, bits_wanted)) { 833 if (!(flags & ALLOC_GROUPS_FROM_GLOBAL) &&
834 ocfs2_alloc_should_use_local(osb, bits_wanted)) {
827 status = ocfs2_reserve_local_alloc_bits(osb, 835 status = ocfs2_reserve_local_alloc_bits(osb,
828 bits_wanted, 836 bits_wanted,
829 *ac); 837 *ac);
@@ -861,7 +869,8 @@ int ocfs2_reserve_clusters(struct ocfs2_super *osb,
861 u32 bits_wanted, 869 u32 bits_wanted,
862 struct ocfs2_alloc_context **ac) 870 struct ocfs2_alloc_context **ac)
863{ 871{
864 return ocfs2_reserve_clusters_with_limit(osb, bits_wanted, 0, ac); 872 return ocfs2_reserve_clusters_with_limit(osb, bits_wanted, 0,
873 ALLOC_NEW_GROUP, ac);
865} 874}
866 875
867/* 876/*