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GFS2: Fold quota data into the reservations struct

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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>
This commit is contained in:
Bob Peterson
2012-05-18 09:28:23 -04:00
committed by Steven Whitehouse
parent 0a305e4960
commit 5407e24229
12 changed files with 56 additions and 186 deletions
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44
fs/gfs2/inode.c
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@@ -521,12 +521,10 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
int error;
munge_mode_uid_gid(dip, &mode, &uid, &gid);
if (!gfs2_qadata_get(dip))
return -ENOMEM;
error = gfs2_quota_lock(dip, uid, gid);
if (error)
goto out;
return error;
error = gfs2_quota_check(dip, uid, gid);
if (error)
@@ -542,8 +540,6 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
out_quota:
gfs2_quota_unlock(dip);
out:
gfs2_qadata_put(dip);
return error;
}
@@ -551,15 +547,10 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,
struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct gfs2_qadata *qa;
int alloc_required;
struct buffer_head *dibh;
int error;
qa = gfs2_qadata_get(dip);
if (!qa)
return -ENOMEM;
error = gfs2_quota_lock(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
if (error)
goto fail;
@@ -611,7 +602,6 @@ fail_quota_locks:
gfs2_quota_unlock(dip);
fail:
gfs2_qadata_put(dip);
return error;
}
@@ -734,7 +724,6 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
if (gfs2_mb_reserved(dip))
gfs2_inplace_release(dip);
gfs2_quota_unlock(dip);
gfs2_qadata_put(dip);
mark_inode_dirty(inode);
gfs2_glock_dq_uninit_m(2, ghs);
d_instantiate(dentry, inode);
@@ -883,16 +872,9 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
error = 0;
if (alloc_required) {
struct gfs2_qadata *qa = gfs2_qadata_get(dip);
if (!qa) {
error = -ENOMEM;
goto out_gunlock;
}
error = gfs2_quota_lock_check(dip);
if (error)
goto out_alloc;
goto out_gunlock;
error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres);
if (error)
@@ -935,9 +917,6 @@ out_ipres:
out_gunlock_q:
if (alloc_required)
gfs2_quota_unlock(dip);
out_alloc:
if (alloc_required)
gfs2_qadata_put(dip);
out_gunlock:
gfs2_glock_dq(ghs + 1);
out_child:
@@ -1374,16 +1353,9 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
goto out_gunlock;
if (alloc_required) {
struct gfs2_qadata *qa = gfs2_qadata_get(ndip);
if (!qa) {
error = -ENOMEM;
goto out_gunlock;
}
error = gfs2_quota_lock_check(ndip);
if (error)
goto out_alloc;
goto out_gunlock;
error = gfs2_inplace_reserve(ndip, sdp->sd_max_dirres);
if (error)
@@ -1444,9 +1416,6 @@ out_ipreserv:
out_gunlock_q:
if (alloc_required)
gfs2_quota_unlock(ndip);
out_alloc:
if (alloc_required)
gfs2_qadata_put(ndip);
out_gunlock:
while (x--) {
gfs2_glock_dq(ghs + x);
@@ -1607,12 +1576,9 @@ static int setattr_chown(struct inode *inode, struct iattr *attr)
if (!(attr->ia_valid & ATTR_GID) || ogid == ngid)
ogid = ngid = NO_QUOTA_CHANGE;
if (!gfs2_qadata_get(ip))
return -ENOMEM;
error = gfs2_quota_lock(ip, nuid, ngid);
if (error)
goto out_alloc;
return error;
if (ouid != NO_QUOTA_CHANGE || ogid != NO_QUOTA_CHANGE) {
error = gfs2_quota_check(ip, nuid, ngid);
@@ -1638,8 +1604,6 @@ out_end_trans:
gfs2_trans_end(sdp);
out_gunlock_q:
gfs2_quota_unlock(ip);
out_alloc:
gfs2_qadata_put(ip);
return error;
}