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ocfs2: Free block to the right block group.

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In case the block we are going to free is allocated from
a discontiguous block group, we have to use suballoc_loc
to be the right group.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
This commit is contained in:
Tao Ma
2010-03-22 14:20:18 +08:00
parent af2bf0d860
commit 74380c479a
6 changed files with 28 additions and 10 deletions
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18
fs/ocfs2/alloc.c
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@@ -6203,6 +6203,7 @@ int ocfs2_truncate_log_init(struct ocfs2_super *osb)
*/
struct ocfs2_cached_block_free {
struct ocfs2_cached_block_free *free_next;
u64 free_bg;
u64 free_blk;
unsigned int free_bit;
};
@@ -6249,8 +6250,11 @@ static int ocfs2_free_cached_blocks(struct ocfs2_super *osb,
}
while (head) {
bg_blkno = ocfs2_which_suballoc_group(head->free_blk,
head->free_bit);
if (head->free_bg)
bg_blkno = head->free_bg;
else
bg_blkno = ocfs2_which_suballoc_group(head->free_blk,
head->free_bit);
mlog(0, "Free bit: (bit %u, blkno %llu)\n",
head->free_bit, (unsigned long long)head->free_blk);
@@ -6298,7 +6302,7 @@ int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
int ret = 0;
struct ocfs2_cached_block_free *item;
item = kmalloc(sizeof(*item), GFP_NOFS);
item = kzalloc(sizeof(*item), GFP_NOFS);
if (item == NULL) {
ret = -ENOMEM;
mlog_errno(ret);
@@ -6438,8 +6442,8 @@ ocfs2_find_per_slot_free_list(int type,
}
int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
int type, int slot, u64 blkno,
unsigned int bit)
int type, int slot, u64 suballoc,
u64 blkno, unsigned int bit)
{
int ret;
struct ocfs2_per_slot_free_list *fl;
@@ -6452,7 +6456,7 @@ int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
goto out;
}
item = kmalloc(sizeof(*item), GFP_NOFS);
item = kzalloc(sizeof(*item), GFP_NOFS);
if (item == NULL) {
ret = -ENOMEM;
mlog_errno(ret);
@@ -6462,6 +6466,7 @@ int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
mlog(0, "Insert: (type %d, slot %u, bit %u, blk %llu)\n",
type, slot, bit, (unsigned long long)blkno);
item->free_bg = suballoc;
item->free_blk = blkno;
item->free_bit = bit;
item->free_next = fl->f_first;
@@ -6478,6 +6483,7 @@ static int ocfs2_cache_extent_block_free(struct ocfs2_cached_dealloc_ctxt *ctxt,
{
return ocfs2_cache_block_dealloc(ctxt, EXTENT_ALLOC_SYSTEM_INODE,
le16_to_cpu(eb->h_suballoc_slot),
le64_to_cpu(eb->h_suballoc_loc),
le64_to_cpu(eb->h_blkno),
le16_to_cpu(eb->h_suballoc_bit));
}