GFS2: Fold quota data into the reservations struct
This patch moves the ancillary quota data structures into the
block reservations structure. This saves GFS2 some time and
effort in allocating and deallocating the qadata structure.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index aba77b5..d652634 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -614,7 +614,6 @@
unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
int alloc_required;
int error = 0;
- struct gfs2_qadata *qa = NULL;
pgoff_t index = pos >> PAGE_CACHE_SHIFT;
unsigned from = pos & (PAGE_CACHE_SIZE - 1);
struct page *page;
@@ -638,15 +637,9 @@
gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks);
if (alloc_required) {
- qa = gfs2_qadata_get(ip);
- if (!qa) {
- error = -ENOMEM;
- goto out_unlock;
- }
-
error = gfs2_quota_lock_check(ip);
if (error)
- goto out_alloc_put;
+ goto out_unlock;
error = gfs2_inplace_reserve(ip, data_blocks + ind_blocks);
if (error)
@@ -708,8 +701,6 @@
gfs2_inplace_release(ip);
out_qunlock:
gfs2_quota_unlock(ip);
-out_alloc_put:
- gfs2_qadata_put(ip);
}
out_unlock:
if (&ip->i_inode == sdp->sd_rindex) {
@@ -846,7 +837,6 @@
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
struct buffer_head *dibh;
- struct gfs2_qadata *qa = ip->i_qadata;
unsigned int from = pos & (PAGE_CACHE_SIZE - 1);
unsigned int to = from + len;
int ret;
@@ -880,10 +870,8 @@
gfs2_trans_end(sdp);
if (gfs2_mb_reserved(ip))
gfs2_inplace_release(ip);
- if (qa) {
+ if (ip->i_res->rs_qa_qd_num)
gfs2_quota_unlock(ip);
- gfs2_qadata_put(ip);
- }
if (inode == sdp->sd_rindex) {
gfs2_glock_dq(&m_ip->i_gh);
gfs2_holder_uninit(&m_ip->i_gh);