| To: | Brian Foster <bfoster@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH v2 3/3] xfs: squash prealloc while over quota free space as well |
| From: | Dave Chinner <david@xxxxxxxxxxxxx> |
| Date: | Tue, 27 May 2014 09:00:59 +1000 |
| Cc: | xfs@xxxxxxxxxxx |
| Delivered-to: | xfs@xxxxxxxxxxx |
| In-reply-to: | <1400845950-41435-4-git-send-email-bfoster@xxxxxxxxxx> |
| References: | <1400845950-41435-1-git-send-email-bfoster@xxxxxxxxxx> <1400845950-41435-4-git-send-email-bfoster@xxxxxxxxxx> |
| User-agent: | Mutt/1.5.21 (2010-09-15) |
On Fri, May 23, 2014 at 07:52:30AM -0400, Brian Foster wrote: > Commit 4d559a3b introduced heavy prealloc. squashing to catch the case > of requesting too large a prealloc on smaller filesystems, leading to > repeated flush and retry cycles that occur on ENOSPC. Now that we issue > eofblocks scans on EDQUOT/ENOSPC, squash the prealloc against the > minimum available free space across all applicable quotas as well to > avoid a similar problem of repeated eofblocks scans. > > Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx> Good idea - thrashing is something worth avoiding.... Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> -- Dave Chinner david@xxxxxxxxxxxxx |
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