AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

ocfs2: Delete all xattr buckets during inode removal

Browse Source 
In inode removal, we need to iterate all the buckets, remove any
externally-stored EA values and delete the xattr buckets.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Tao Ma 2008-08-18 17:38:54 +08:00 committed by Mark Fasheh
parent 012255961c
commit a394425643
1 changed files with 80 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

84
fs/ocfs2/xattr.c
View File

@ -131,6 +131,9 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
struct ocfs2_xattr_info *xi,
struct ocfs2_xattr_search *xs);
static int ocfs2_delete_xattr_index_block(struct inode *inode,
struct buffer_head *xb_bh);
static inline struct xattr_handler *ocfs2_xattr_handler(int name_index)
{
struct xattr_handler *handler = NULL;
@ -1511,13 +1514,14 @@ static int ocfs2_xattr_block_remove(struct inode *inode,
struct buffer_head *blk_bh)
{
struct ocfs2_xattr_block *xb;
struct ocfs2_xattr_header *header;
int ret = 0;
xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
header = &(xb->xb_attrs.xb_header);
ret = ocfs2_remove_value_outside(inode, blk_bh, header);
if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) {
struct ocfs2_xattr_header *header = &(xb->xb_attrs.xb_header);
ret = ocfs2_remove_value_outside(inode, blk_bh, header);
} else
ret = ocfs2_delete_xattr_index_block(inode, blk_bh);
return ret;
}
@ -4738,3 +4742,75 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
mlog_exit(ret);
return ret;
}
static int ocfs2_delete_xattr_in_bucket(struct inode *inode,
struct ocfs2_xattr_bucket *bucket,
void *para)
{
int ret = 0;
struct ocfs2_xattr_header *xh = bucket->xh;
u16 i;
struct ocfs2_xattr_entry *xe;
for (i = 0; i < le16_to_cpu(xh->xh_count); i++) {
xe = &xh->xh_entries[i];
if (ocfs2_xattr_is_local(xe))
continue;
ret = ocfs2_xattr_bucket_value_truncate(inode,
bucket->bhs[0],
i, 0);
if (ret) {
mlog_errno(ret);
break;
}
}
return ret;
}
static int ocfs2_delete_xattr_index_block(struct inode *inode,
struct buffer_head *xb_bh)
{
struct ocfs2_xattr_block *xb =
(struct ocfs2_xattr_block *)xb_bh->b_data;
struct ocfs2_extent_list *el = &xb->xb_attrs.xb_root.xt_list;
int ret = 0;
u32 name_hash = UINT_MAX, e_cpos, num_clusters;
u64 p_blkno;
if (le16_to_cpu(el->l_next_free_rec) == 0)
return 0;
while (name_hash > 0) {
ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno,
&e_cpos, &num_clusters, el);
if (ret) {
mlog_errno(ret);
goto out;
}
ret = ocfs2_iterate_xattr_buckets(inode, p_blkno, num_clusters,
ocfs2_delete_xattr_in_bucket,
NULL);
if (ret) {
mlog_errno(ret);
goto out;
}
ret = ocfs2_rm_xattr_cluster(inode, xb_bh,
p_blkno, e_cpos, num_clusters);
if (ret) {
mlog_errno(ret);
break;
}
if (e_cpos == 0)
break;
name_hash = e_cpos - 1;
}
out:
return ret;
}