pnfs: Add layout driver flag PNFS_LAYOUTGET_ON_OPEN
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>
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@ -2347,6 +2347,7 @@ static struct pnfs_layoutdriver_type flexfilelayout_type = {
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.id = LAYOUT_FLEX_FILES,
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.name = "LAYOUT_FLEX_FILES",
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.owner = THIS_MODULE,
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.flags = PNFS_LAYOUTGET_ON_OPEN,
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.set_layoutdriver = ff_layout_set_layoutdriver,
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.alloc_layout_hdr = ff_layout_alloc_layout_hdr,
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.free_layout_hdr = ff_layout_free_layout_hdr,
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@ -110,6 +110,7 @@ enum layoutdriver_policy_flags {
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PNFS_LAYOUTRET_ON_SETATTR = 1 << 0,
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PNFS_LAYOUTRET_ON_ERROR = 1 << 1,
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PNFS_READ_WHOLE_PAGE = 1 << 2,
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PNFS_LAYOUTGET_ON_OPEN = 1 << 3,
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};
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struct nfs4_deviceid_node;
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