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-   -   GFS2: Add get_xstate quota function (http://www.linux-archive.org/cluster-development/286028-gfs2-add-get_xstate-quota-function.html)

Steven Whitehouse 11-25-2009 01:22 PM

GFS2: Add get_xstate quota function
 
This allows querying of the quota state via the XFS quota
API.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
fs/gfs2/quota.c | 23 +++++++++++++++++++++++
1 files changed, 23 insertions(+), 0 deletions(-)

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 6aaa6c5..e7114be 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -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,
};

--
1.6.2.5


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