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Bug #10436

closed

ceph-fuse: snapshot flushing from page cache to Client is not coherent

Added by Zheng Yan over 9 years ago. Updated about 8 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Zheng Yan
Category:
-
Target version:
-
% Done:

0%

Source:
other
Tags:
Backport:
Regression:
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

fuse kernel module has no understanding of snapshot. It does not flush data when snapshot is created. Besides the fuse kernel modules drop dirty data after snapshotted file is unlinked.

maybe ceph-fuse should ask kernel to flush all dirty data on every snapshots.

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