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xfs: poll waiting for quotacheck

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Create a pwork destroy function that uses polling instead of
uninterruptible sleep to wait for work items to finish so that we can
touch the softlockup watchdog.  IOWs, gross hack.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong
2019-07-03 07:33:27 -07:00
parent 40786717c8
commit 3e5a428b26
5 changed files with 28 additions and 2 deletions
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3
fs/xfs/xfs_pwork.h
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@@ -18,6 +18,8 @@ struct xfs_pwork_ctl {
struct workqueue_struct *wq;
struct xfs_mount *mp;
xfs_pwork_work_fn work_fn;
struct wait_queue_head poll_wait;
atomic_t nr_work;
int error;
};
@@ -53,6 +55,7 @@ int xfs_pwork_init(struct xfs_mount *mp, struct xfs_pwork_ctl *pctl,
unsigned int nr_threads);
void xfs_pwork_queue(struct xfs_pwork_ctl *pctl, struct xfs_pwork *pwork);
int xfs_pwork_destroy(struct xfs_pwork_ctl *pctl);
void xfs_pwork_poll(struct xfs_pwork_ctl *pctl);
unsigned int xfs_pwork_guess_datadev_parallelism(struct xfs_mount *mp);
#endif /* __XFS_PWORK_H__ */