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author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-02-28 10:34:13 -0500 |
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committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-03-01 22:37:38 -0500 |
commit | 749da527b3e7bff92cc76b907bc222ef2df6fcdc (patch) | |
tree | 0b01b02bbedf1fa5309f10e7ab2db3fec1f00bb2 | |
parent | 76c6690522bb3e335ce1e201360df8776cab4d2c (diff) | |
download | linux-stable-749da527b3e7bff92cc76b907bc222ef2df6fcdc.tar.gz linux-stable-749da527b3e7bff92cc76b907bc222ef2df6fcdc.tar.bz2 linux-stable-749da527b3e7bff92cc76b907bc222ef2df6fcdc.zip |
NFS/flexfiles: Simplify nfs4_ff_layout_select_ds_fh()
Pass in a pointer to the mirror rather than having to retrieve it from
the array and then verify the resulting pointer.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
-rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayout.c | 4 | ||||
-rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayout.h | 2 | ||||
-rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayoutdev.c | 15 |
3 files changed, 5 insertions, 16 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index 44ccfce3784e..f57cb38bd286 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -1795,7 +1795,7 @@ ff_layout_read_pagelist(struct nfs_pgio_header *hdr) hdr->pgio_done_cb = ff_layout_read_done_cb; refcount_inc(&ds->ds_clp->cl_count); hdr->ds_clp = ds->ds_clp; - fh = nfs4_ff_layout_select_ds_fh(lseg, idx); + fh = nfs4_ff_layout_select_ds_fh(mirror); if (fh) hdr->args.fh = fh; @@ -1863,7 +1863,7 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync) refcount_inc(&ds->ds_clp->cl_count); hdr->ds_clp = ds->ds_clp; hdr->ds_commit_idx = idx; - fh = nfs4_ff_layout_select_ds_fh(lseg, idx); + fh = nfs4_ff_layout_select_ds_fh(mirror); if (fh) hdr->args.fh = fh; diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h index 2e3c606625ef..935cba942834 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.h +++ b/fs/nfs/flexfilelayout/flexfilelayout.h @@ -203,7 +203,7 @@ unsigned int ff_layout_fetch_ds_ioerr(struct pnfs_layout_hdr *lo, struct list_head *head, unsigned int maxnum); struct nfs_fh * -nfs4_ff_layout_select_ds_fh(struct pnfs_layout_segment *lseg, u32 mirror_idx); +nfs4_ff_layout_select_ds_fh(struct nfs4_ff_layout_mirror *mirror); int nfs4_ff_layout_select_ds_stateid(struct pnfs_layout_segment *lseg, u32 mirror_idx, diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c index 7fd92226e4b9..3a2419313fe9 100644 --- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c +++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c @@ -351,21 +351,10 @@ ff_layout_get_mirror_cred(struct nfs4_ff_layout_mirror *mirror, u32 iomode) } struct nfs_fh * -nfs4_ff_layout_select_ds_fh(struct pnfs_layout_segment *lseg, u32 mirror_idx) +nfs4_ff_layout_select_ds_fh(struct nfs4_ff_layout_mirror *mirror) { - struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, mirror_idx); - struct nfs_fh *fh = NULL; - - if (!ff_layout_mirror_valid(lseg, mirror, false)) { - pr_err_ratelimited("NFS: %s: No data server for mirror offset index %d\n", - __func__, mirror_idx); - goto out; - } - /* FIXME: For now assume there is only 1 version available for the DS */ - fh = &mirror->fh_versions[0]; -out: - return fh; + return &mirror->fh_versions[0]; } int |