quota: report warning limits for realtime space quotas

Report the number of warnings that a user will get for exceeding the
soft limit of a realtime volume.  This plugs a gap needed before we
can land a realtime quota implementation for XFS in the next cycle.

Link: https://lore.kernel.org/r/20210318041736.GB22094@magnolia
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>

diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index f7b4b66..05e4bd9 100644 (file)
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -472,6 +472,7 @@ static int quota_getstatev(struct super_block *sb, int type,
        fqs->qs_rtbtimelimit = state.s_state[type].rt_spc_timelimit;
        fqs->qs_bwarnlimit = state.s_state[type].spc_warnlimit;
        fqs->qs_iwarnlimit = state.s_state[type].ino_warnlimit;
+       fqs->qs_rtbwarnlimit = state.s_state[type].rt_spc_warnlimit;
 
        /* Inodes may be allocated even if inactive; copy out if present */
        if (state.s_state[USRQUOTA].ino) {

diff --git a/include/uapi/linux/dqblk_xfs.h b/include/uapi/linux/dqblk_xfs.h
index c71d909..8cda3e6 100644 (file)
--- a/include/uapi/linux/dqblk_xfs.h
+++ b/include/uapi/linux/dqblk_xfs.h
@@ -219,7 +219,10 @@ struct fs_quota_statv {
        __s32                   qs_rtbtimelimit;/* limit for rt blks timer */
        __u16                   qs_bwarnlimit;  /* limit for num warnings */
        __u16                   qs_iwarnlimit;  /* limit for num warnings */
-       __u64                   qs_pad2[8];     /* for future proofing */
+       __u16                   qs_rtbwarnlimit;/* limit for rt blks warnings */
+       __u16                   qs_pad3;
+       __u32                   qs_pad4;
+       __u64                   qs_pad2[7];     /* for future proofing */
 };
 
 #endif /* _LINUX_DQBLK_XFS_H */