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quota: report warning limits for realtime space quotas

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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>
This commit is contained in:
Darrick J. Wong 2021-03-17 21:17:36 -07:00 committed by Jan Kara
parent fa8b90070a
commit f998d7d545
2 changed files with 5 additions and 1 deletions
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1
fs/quota/quota.c
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@ -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) {

5
include/uapi/linux/dqblk_xfs.h
View File

@ -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 */