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quota: Handle quotas without quota inodes in dquot_get_state()

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Make dquot_get_state() gracefully handle a situation when there are no
quota files present even though quotas are enabled.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2019-11-04 11:18:17 +01:00
parent 2ec1f3011f
commit a0828b6ccb
1 changed files with 4 additions and 2 deletions
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6
fs/quota/dquot.c
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@ -2787,8 +2787,10 @@ int dquot_get_state(struct super_block *sb, struct qc_state *state)
tstate->flags |= QCI_LIMITS_ENFORCED;
tstate->spc_timelimit = mi->dqi_bgrace;
tstate->ino_timelimit = mi->dqi_igrace;
tstate->ino = dqopt->files[type]->i_ino;
tstate->blocks = dqopt->files[type]->i_blocks;
if (dqopt->files[type]) {
tstate->ino = dqopt->files[type]->i_ino;
tstate->blocks = dqopt->files[type]->i_blocks;
}
tstate->nextents = 1; /* We don't know... */
spin_unlock(&dq_data_lock);
}