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NFS/flexfiles: refactor calls to fs4_ff_layout_prepare_ds()

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While we may want to skip attempting to connect to a downed mirror
when we're deciding which mirror to select for a read, we do not
want to do so once we've committed to attempting the I/O in
ff_layout_read/write_pagelist(), or ff_layout_initiate_commit()

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust
2019-02-14 13:45:45 -05:00
parent 18c0778a65
commit 2444ff277a
3 changed files with 28 additions and 22 deletions
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3
fs/nfs/flexfilelayout/flexfilelayout.h
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@@ -228,7 +228,8 @@ nfs4_ff_layout_select_ds_stateid(struct pnfs_layout_segment *lseg,
nfs4_stateid *stateid);
struct nfs4_pnfs_ds *
nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx,
nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg,
struct nfs4_ff_layout_mirror *mirror,
bool fail_return);
struct rpc_clnt *