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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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18
fs/gfs2/bmap.c
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@@ -1045,12 +1045,13 @@ static int trunc_dealloc(struct gfs2_inode *ip, u64 size)
lblock = (size - 1) >> sdp->sd_sb.sb_bsize_shift;
find_metapath(sdp, lblock, &mp, ip->i_height);
if (!gfs2_qadata_get(ip))
return -ENOMEM;
error = gfs2_rindex_update(sdp);
if (error)
return error;
error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
if (error)
goto out;
return error;
while (height--) {
struct strip_mine sm;
@@ -1064,8 +1065,6 @@ static int trunc_dealloc(struct gfs2_inode *ip, u64 size)
gfs2_quota_unhold(ip);
out:
gfs2_qadata_put(ip);
return error;
}
@@ -1167,19 +1166,14 @@ static int do_grow(struct inode *inode, u64 size)
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct buffer_head *dibh;
struct gfs2_qadata *qa = NULL;
int error;
int unstuff = 0;
if (gfs2_is_stuffed(ip) &&
(size > (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)))) {
qa = gfs2_qadata_get(ip);
if (qa == NULL)
return -ENOMEM;
error = gfs2_quota_lock_check(ip);
if (error)
goto do_grow_alloc_put;
return error;
error = gfs2_inplace_reserve(ip, 1);
if (error)
@@ -1214,8 +1208,6 @@ do_grow_release:
gfs2_inplace_release(ip);
do_grow_qunlock:
gfs2_quota_unlock(ip);
do_grow_alloc_put:
gfs2_qadata_put(ip);
}
return error;
}