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quota: unify ->set_dqblk

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Pass the larger struct fs_disk_quota to the ->set_dqblk operation so
that the Q_SETQUOTA and Q_XSETQUOTA operations can be implemented
with a single filesystem operation and we can retire the ->set_xquota
operation.  The additional information (RT-subvolume accounting and
warn counts) are left zero for the VFS quota implementation.

Add new fieldmask values for setting the numer of blocks and inodes
values which is required for the VFS quota, but wasn't for XFS.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-05-06 17:05:17 -04:00 • committed by Jan Kara
commit c472b43275
8 changed files with 98 additions and 40 deletions
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6
fs/gfs2/quota.c
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@ -1521,8 +1521,8 @@ out:
/* GFS2 only supports a subset of the XFS fields */
#define GFS2_FIELDMASK (FS_DQ_BSOFT|FS_DQ_BHARD)
static int gfs2_xquota_set(struct super_block *sb, int type, qid_t id,
struct fs_disk_quota *fdq)
static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id,
struct fs_disk_quota *fdq)
{
struct gfs2_sbd *sdp = sb->s_fs_info;
struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);
@ -1630,6 +1630,6 @@ const struct quotactl_ops gfs2_quotactl_ops = {
.quota_sync = gfs2_quota_sync,
.get_xstate = gfs2_quota_get_xstate,
.get_dqblk = gfs2_get_dqblk,
.set_xquota = gfs2_xquota_set,
.set_dqblk = gfs2_set_dqblk,
};