use O_NOATIME when opening files

Bug #381499 reported by Robert Collins
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Bazaar
Confirmed
Low
Unassigned

Bug Description

 affects bzr
 importance high
 status triaged

We should use O_NOATIME when opening files. This will prevent metadata
writes being triggered on ext3 and similar filesystems. bzr's accessing
a file isn't interesting to record.

-Rob

Martin Pool (mbp)
tags: added: performance
Changed in bzr:
importance: High → Low
Martin Pool (mbp)
Changed in bzr:
status: Triaged → Confirmed
Jelmer Vernooij (jelmer)
tags: added: check-for-breezy
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