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(parent: 88208a8) | patch
dm-nfs: force random mode for the backend file
authorJoe Jin <joe.jin@oracle.com>
Mon, 4 Jun 2012 05:45:02 +0000 (13:45 +0800)
committerMaxim Uvarov <maxim.uvarov@oracle.com>
Fri, 29 Jun 2012 08:31:23 +0000 (01:31 -0700)
commit4eb2e89fce75670f2739f12f40cc4e34776af7c3
tree039e341be6fb4595530be84f41aa867129cadd59tree
parent88208a8398ee2d74e481e22aec3c7518f9b44f27commit | diff
dm-nfs: force random mode for the backend file

Orabug: 14092678
Without this flag page_cache_sync_readahead() might take some seconds to
complete.
Since dm-nfs used for ovm and as vdisk, random access is expect, so force
set this flag when open the backend file.

Signed-off-by: Joe Jin <joe.jin@oracle.com>
Cc: Adnan Misherfi <adnan.misherfi@oracle.com>
Cc: Kurt C Hackel <kurt.hackel@oracle.com>
Cc: Andrew Thomas <andrew.thomas@oracle.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
drivers/md/dm-nfs.c diff | blob | history
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