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ocfs2: Add a new parameter for ocfs2_reserve_suballoc_bits 

In some cases(Inode stealing from other nodes), we may not want
ocfs2_reserve_suballoc_bits to allocate new groups from the
global_bitmap since it may already be full. So add a new parameter
for this.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Tao Ma 2008-03-03 17:12:09 +08:00 committed by Mark Fasheh
parent ad5a4d7093
commit ffda89a3bf
1 changed files with 18 additions and 4 deletions
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22
fs/ocfs2/suballoc.c
View File

@ -46,6 +46,9 @@
#include "buffer_head_io.h"
#define NOT_ALLOC_NEW_GROUP 0
#define ALLOC_NEW_GROUP 1
static inline void ocfs2_debug_bg(struct ocfs2_group_desc *bg);
static inline void ocfs2_debug_suballoc_inode(struct ocfs2_dinode *fe);
static inline u16 ocfs2_find_victim_chain(struct ocfs2_chain_list *cl);
@ -391,7 +394,8 @@ bail:
static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb,
struct ocfs2_alloc_context *ac,
int type,
u32 slot)
u32 slot,
int alloc_new_group)
{
int status;
u32 bits_wanted = ac->ac_bits_wanted;
@ -446,6 +450,14 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb,
goto bail;
}
if (alloc_new_group != ALLOC_NEW_GROUP) {
mlog(0, "Alloc File %u Full: wanted=%u, free_bits=%u, "
"and we don't alloc a new group for it.\n",
slot, bits_wanted, free_bits);
status = -ENOSPC;
goto bail;
}
status = ocfs2_block_group_alloc(osb, alloc_inode, bh);
if (status < 0) {
if (status != -ENOSPC)
@ -490,7 +502,8 @@ int ocfs2_reserve_new_metadata(struct ocfs2_super *osb,
(*ac)->ac_group_search = ocfs2_block_group_search;
status = ocfs2_reserve_suballoc_bits(osb, (*ac),
EXTENT_ALLOC_SYSTEM_INODE, slot);
EXTENT_ALLOC_SYSTEM_INODE,
slot, ALLOC_NEW_GROUP);
if (status < 0) {
if (status != -ENOSPC)
mlog_errno(status);
@ -527,7 +540,7 @@ int ocfs2_reserve_new_inode(struct ocfs2_super *osb,
status = ocfs2_reserve_suballoc_bits(osb, *ac,
INODE_ALLOC_SYSTEM_INODE,
osb->slot_num);
osb->slot_num, ALLOC_NEW_GROUP);
if (status < 0) {
if (status != -ENOSPC)
mlog_errno(status);
@ -557,7 +570,8 @@ int ocfs2_reserve_cluster_bitmap_bits(struct ocfs2_super *osb,
status = ocfs2_reserve_suballoc_bits(osb, ac,
GLOBAL_BITMAP_SYSTEM_INODE,
OCFS2_INVALID_SLOT);
OCFS2_INVALID_SLOT,
ALLOC_NEW_GROUP);
if (status < 0 && status != -ENOSPC) {
mlog_errno(status);
goto bail;