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authorTao Ma <tao.ma@oracle.com>2010-03-22 14:20:18 +0800
committerTao Ma <tao.ma@oracle.com>2010-03-22 14:20:18 +0800
commit74380c479ad83addeff8a172ab95f59557b5b0c3 (patch)
tree49b94f3ff48cd2ca6b53977a5e3070380ccecd6b
parentaf2bf0d86019e0b0306965321096f8380b7ca830 (diff)
downloadop-kernel-dev-74380c479ad83addeff8a172ab95f59557b5b0c3.zip
op-kernel-dev-74380c479ad83addeff8a172ab95f59557b5b0c3.tar.gz
ocfs2: Free block to the right block group.
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>
-rw-r--r--fs/ocfs2/alloc.c18
-rw-r--r--fs/ocfs2/alloc.h2
-rw-r--r--fs/ocfs2/dir.c5
-rw-r--r--fs/ocfs2/refcounttree.c6
-rw-r--r--fs/ocfs2/suballoc.c2
-rw-r--r--fs/ocfs2/xattr.c5
6 files changed, 28 insertions, 10 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 479d2ec..af2d1bd 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -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));
}
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h
index 1db4359..fc28d643 100644
--- a/fs/ocfs2/alloc.h
+++ b/fs/ocfs2/alloc.h
@@ -209,7 +209,7 @@ static inline void ocfs2_init_dealloc_ctxt(struct ocfs2_cached_dealloc_ctxt *c)
int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
u64 blkno, unsigned int bit);
int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
- int type, int slot, u64 blkno,
+ int type, int slot, u64 suballoc, u64 blkno,
unsigned int bit);
static inline int ocfs2_dealloc_has_cluster(struct ocfs2_cached_dealloc_ctxt *c)
{
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 341bb8f..3fea52d 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -4466,7 +4466,10 @@ static int ocfs2_dx_dir_remove_index(struct inode *dir,
blk = le64_to_cpu(dx_root->dr_blkno);
bit = le16_to_cpu(dx_root->dr_suballoc_bit);
- bg_blkno = ocfs2_which_suballoc_group(blk, bit);
+ if (dx_root->dr_suballoc_loc)
+ bg_blkno = le64_to_cpu(dx_root->dr_suballoc_loc);
+ else
+ bg_blkno = ocfs2_which_suballoc_group(blk, bit);
ret = ocfs2_free_suballoc_bits(handle, dx_alloc_inode, dx_alloc_bh,
bit, bg_blkno, 1);
if (ret)
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 275920e..b347029 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -792,7 +792,10 @@ int ocfs2_remove_refcount_tree(struct inode *inode, struct buffer_head *di_bh)
if (le32_to_cpu(rb->rf_count) == 1) {
blk = le64_to_cpu(rb->rf_blkno);
bit = le16_to_cpu(rb->rf_suballoc_bit);
- bg_blkno = ocfs2_which_suballoc_group(blk, bit);
+ if (rb->rf_suballoc_loc)
+ bg_blkno = le64_to_cpu(rb->rf_suballoc_loc);
+ else
+ bg_blkno = ocfs2_which_suballoc_group(blk, bit);
alloc_inode = ocfs2_get_system_file_inode(osb,
EXTENT_ALLOC_SYSTEM_INODE,
@@ -2108,6 +2111,7 @@ static int ocfs2_remove_refcount_extent(handle_t *handle,
*/
ret = ocfs2_cache_block_dealloc(dealloc, EXTENT_ALLOC_SYSTEM_INODE,
le16_to_cpu(rb->rf_suballoc_slot),
+ le64_to_cpu(rb->rf_suballoc_loc),
le64_to_cpu(rb->rf_blkno),
le16_to_cpu(rb->rf_suballoc_bit));
if (ret) {
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 6f39da4..0c08353 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -2349,6 +2349,8 @@ int ocfs2_free_dinode(handle_t *handle,
u16 bit = le16_to_cpu(di->i_suballoc_bit);
u64 bg_blkno = ocfs2_which_suballoc_group(blk, bit);
+ if (di->i_suballoc_loc)
+ bg_blkno = le64_to_cpu(di->i_suballoc_loc);
return ocfs2_free_suballoc_bits(handle, inode_alloc_inode,
inode_alloc_bh, bit, bg_blkno, 1);
}
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 805167e..a1cf195 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -2466,7 +2466,10 @@ static int ocfs2_xattr_free_block(struct inode *inode,
xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
blk = le64_to_cpu(xb->xb_blkno);
bit = le16_to_cpu(xb->xb_suballoc_bit);
- bg_blkno = ocfs2_which_suballoc_group(blk, bit);
+ if (xb->xb_suballoc_loc)
+ bg_blkno = le64_to_cpu(xb->xb_suballoc_loc);
+ else
+ bg_blkno = ocfs2_which_suballoc_group(blk, bit);
xb_alloc_inode = ocfs2_get_system_file_inode(osb,
EXTENT_ALLOC_SYSTEM_INODE,
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