Whamcloud - gitweb
b=24201 add procfs tunable to enable/disable lockless direct I/O
authorAndrew Perepechko <andrew.perepechko@oracle.com>
Fri, 26 Nov 2010 01:29:34 +0000 (04:29 +0300)
committerAndrew Perepechko <andrew.perepechko@oracle.com>
Fri, 26 Nov 2010 01:29:34 +0000 (04:29 +0300)
commit7026aa46c2a9c6c3ebd61d585538dd83de00de0a
tree641f30e2cbe5febd3dde7eaca876e85848a5a8de
parentf35a070ec5e4694313c29d605eaff872474babc8
b=24201 add procfs tunable to enable/disable lockless direct I/O

llite.lustre-*.lockless_direct_io=0 will disable default semantics
of direct I/O that forces it to be lockless. lockless_direct_io value,
however, will be ignored if per-file LL_FILE_LOCKED_DIRECTIO bit
is set.

i=Johann Lombardi
lustre/llite/file.c
lustre/llite/llite_internal.h
lustre/llite/llite_lib.c
lustre/llite/lproc_llite.c