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(parent: 285e550) | patch
ceph: don't use truncate_pagecache() to invalidate read cache
authorYan, Zheng <zyan@redhat.com>
Wed, 18 May 2016 12:58:26 +0000 (20:58 +0800)
committerIlya Dryomov <idryomov@gmail.com>
Wed, 25 May 2016 23:15:42 +0000 (01:15 +0200)
commit7ad580d5bf404ca035bd02162a75b79b911c9c9f
treebf7ddd4b76b0b20b45e905c6854d1b74551c06f6tree | snapshot
parent285e5503021422c3ffe888faaacba91f04712f48commit | diff
ceph: don't use truncate_pagecache() to invalidate read cache

truncate_pagecache() drops dirty pages, it's dangerous to use it
to invalidate read cache. Besides, we shouldn't start invalidating
read cache while there are buffer writers. Because buffer writers
may add dirty pages later.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
fs/ceph/caps.c diff | blob | history
fs/ceph/inode.c diff | blob | history
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