Whamcloud - gitweb
LU-13745 pcc: fall back normal splice read for detached file 96/40396/4
authorQian Yingjin <qian@ddn.com>
Mon, 26 Oct 2020 02:37:26 +0000 (10:37 +0800)
committerOleg Drokin <green@whamcloud.com>
Tue, 22 Dec 2020 05:28:07 +0000 (05:28 +0000)
For the file that was once cached into PCC but detached from PCC
later, it should fall back into the normal I/O path to direct I/Os
to Lustre OSTs for splice read, not just return zero.

Signed-off-by: Qian Yingjin <qian@ddn.com>
Change-Id: Iff3449069a0a12ac56b58618e474749361c31bb7
Reviewed-on: https://review.whamcloud.com/40396
Reviewed-by: James Simmons <jsimmons@infradead.org>
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>

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