summaryrefslogtreecommitdiffstats
path: root/fs/gfs2/aops.c
diff options
context:
space:
mode:
authorBob Peterson2012-05-18 15:28:23 +0200
committerSteven Whitehouse2012-06-06 12:20:22 +0200
commit5407e24229408d7586ee451a384fc13e4a2332be (patch)
tree7534b0d0fc69de50b6156ec4e384a71acf01dea1 /fs/gfs2/aops.c
parentGFS2: Extend the life of the reservations (diff)
downloadkernel-qcow2-linux-5407e24229408d7586ee451a384fc13e4a2332be.tar.gz
kernel-qcow2-linux-5407e24229408d7586ee451a384fc13e4a2332be.tar.xz
kernel-qcow2-linux-5407e24229408d7586ee451a384fc13e4a2332be.zip
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>
Diffstat (limited to 'fs/gfs2/aops.c')
-rw-r--r--fs/gfs2/aops.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index aba77b5720bc..d6526347d386 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -614,7 +614,6 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
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 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
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 @@ out_trans_fail:
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 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping,
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 @@ failed:
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);