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ocfs2: Return extent flags for xattr value tree.

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With the new refcount tree, xattr value can also be refcounted
among multiple files. So return the appropriate extent flags
so that CoW can used it later.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
This commit is contained in:
Tao Ma 2009-08-18 11:41:57 +08:00 committed by Joel Becker
parent a9063ab9a3
commit 1061f9c1c9
3 changed files with 11 additions and 5 deletions
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6
fs/ocfs2/extent_map.c
View file

@ -541,7 +541,8 @@ static void ocfs2_relative_extent_offsets(struct super_block *sb,
int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster,
u32 *p_cluster, u32 *num_clusters,
struct ocfs2_extent_list *el)
struct ocfs2_extent_list *el,
unsigned int *extent_flags)
{
int ret = 0, i;
struct buffer_head *eb_bh = NULL;
@ -593,6 +594,9 @@ int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster,
*p_cluster = *p_cluster + coff;
if (num_clusters)
*num_clusters = ocfs2_rec_clusters(el, rec) - coff;
if (extent_flags)
*extent_flags = rec->e_flags;
}
out:
if (eb_bh)

3
fs/ocfs2/extent_map.h
View file

@ -55,7 +55,8 @@ int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster,
u32 *p_cluster, u32 *num_clusters,
struct ocfs2_extent_list *el);
struct ocfs2_extent_list *el,
unsigned int *extent_flags);
int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr,
struct buffer_head *bhs[], int flags,

7
fs/ocfs2/xattr.c
View file

@ -704,7 +704,7 @@ static int ocfs2_xattr_shrink_size(struct inode *inode,
while (trunc_len) {
ret = ocfs2_xattr_get_clusters(inode, cpos, &phys_cpos,
&alloc_size,
&vb->vb_xv->xr_list);
&vb->vb_xv->xr_list, NULL);
if (ret) {
mlog_errno(ret);
goto out;
@ -959,7 +959,7 @@ static int ocfs2_xattr_get_value_outside(struct inode *inode,
cpos = 0;
while (cpos < clusters) {
ret = ocfs2_xattr_get_clusters(inode, cpos, &p_cluster,
&num_clusters, el);
&num_clusters, el, NULL);
if (ret) {
mlog_errno(ret);
goto out;
@ -1198,7 +1198,8 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode,
while (cpos < clusters) {
ret = ocfs2_xattr_get_clusters(inode, cpos, &p_cluster,
&num_clusters, &xv->xr_list);
&num_clusters, &xv->xr_list,
NULL);
if (ret) {
mlog_errno(ret);
goto out;