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pnfs: Add layout driver flag PNFS_LAYOUTGET_ON_OPEN

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Driver can set flag to allow LAYOUTGET to be sent with OPEN.

Signed-off-by: Fred Isaman <fred.isaman@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Fred Isaman 2016-09-20 06:56:02 -04:00 committed by Trond Myklebust
parent 3b65a30df9
commit f86c3ac502
2 changed files with 2 additions and 0 deletions
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1
fs/nfs/flexfilelayout/flexfilelayout.c
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@ -2347,6 +2347,7 @@ static struct pnfs_layoutdriver_type flexfilelayout_type = {
.id = LAYOUT_FLEX_FILES,
.name = "LAYOUT_FLEX_FILES",
.owner = THIS_MODULE,
.flags = PNFS_LAYOUTGET_ON_OPEN,
.set_layoutdriver = ff_layout_set_layoutdriver,
.alloc_layout_hdr = ff_layout_alloc_layout_hdr,
.free_layout_hdr = ff_layout_free_layout_hdr,

1
fs/nfs/pnfs.h
View File

@ -110,6 +110,7 @@ enum layoutdriver_policy_flags {
PNFS_LAYOUTRET_ON_SETATTR = 1 << 0,
PNFS_LAYOUTRET_ON_ERROR = 1 << 1,
PNFS_READ_WHOLE_PAGE = 1 << 2,
PNFS_LAYOUTGET_ON_OPEN = 1 << 3,
};
struct nfs4_deviceid_node;