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GFS2: Add get_xstate quota function

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This allows querying of the quota state via the XFS quota
API.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2009-09-11 15:57:27 +01:00
parent 91094d0fb6
commit 1d371b5e17
1 changed files with 23 additions and 0 deletions
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23
fs/gfs2/quota.c
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@ -47,6 +47,7 @@
#include <linux/gfs2_ondisk.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/dqblk_xfs.h>
#include "gfs2.h"
#include "incore.h"
@ -1375,7 +1376,29 @@ int gfs2_quotad(void *data)
return 0;
}
static int gfs2_quota_get_xstate(struct super_block *sb,
struct fs_quota_stat *fqs)
{
struct gfs2_sbd *sdp = sb->s_fs_info;
memset(fqs, 0, sizeof(struct fs_quota_stat));
fqs->qs_version = FS_QSTAT_VERSION;
if (sdp->sd_args.ar_quota == GFS2_QUOTA_ON)
fqs->qs_flags = (XFS_QUOTA_UDQ_ENFD | XFS_QUOTA_GDQ_ENFD);
else if (sdp->sd_args.ar_quota == GFS2_QUOTA_ACCOUNT)
fqs->qs_flags = (XFS_QUOTA_UDQ_ACCT | XFS_QUOTA_GDQ_ACCT);
if (sdp->sd_quota_inode) {
fqs->qs_uquota.qfs_ino = GFS2_I(sdp->sd_quota_inode)->i_no_addr;
fqs->qs_uquota.qfs_nblks = sdp->sd_quota_inode->i_blocks;
}
fqs->qs_uquota.qfs_nextents = 1; /* unsupported */
fqs->qs_gquota = fqs->qs_uquota; /* its the same inode in both cases */
fqs->qs_incoredqs = atomic_read(&qd_lru_count);
return 0;
}
const struct quotactl_ops gfs2_quotactl_ops = {
.quota_sync = gfs2_quota_sync,
.get_xstate = gfs2_quota_get_xstate,
};