From: <andros@netapp.com>
To: <trondmy@primarydata.com>
Cc: <linux-nfs@vger.kernel.org>, Andy Adamson <andros@netapp.com>
Subject: [PATCH Version 2 2/3] NFS store nfs4_deviceid in struct nfs4_filelayout_segment
Date: Mon, 20 Mar 2017 18:07:01 -0400 [thread overview]
Message-ID: <1490047622-35305-3-git-send-email-andros@netapp.com> (raw)
In-Reply-To: <1490047622-35305-1-git-send-email-andros@netapp.com>
From: Andy Adamson <andros@netapp.com>
In preparation for moving the filelayout getdeviceinfo call from
filelayout_alloc_lseg called by pnfs_process_layout
Signed-off-by: Andy Adamson <andros@netapp.com>
---
fs/nfs/filelayout/filelayout.c | 13 +++++--------
fs/nfs/filelayout/filelayout.h | 1 +
2 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 44347f4..4812bf0 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -572,7 +572,6 @@ static void filelayout_commit_count_stats(struct rpc_task *task, void *data)
filelayout_check_layout(struct pnfs_layout_hdr *lo,
struct nfs4_filelayout_segment *fl,
struct nfs4_layoutget_res *lgr,
- struct nfs4_deviceid *id,
gfp_t gfp_flags)
{
struct nfs4_deviceid_node *d;
@@ -602,7 +601,7 @@ static void filelayout_commit_count_stats(struct rpc_task *task, void *data)
}
/* find and reference the deviceid */
- d = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode), id,
+ d = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode), &fl->deviceid,
lo->plh_lc_cred, gfp_flags);
if (d == NULL)
goto out;
@@ -657,7 +656,6 @@ static void _filelayout_free_lseg(struct nfs4_filelayout_segment *fl)
filelayout_decode_layout(struct pnfs_layout_hdr *flo,
struct nfs4_filelayout_segment *fl,
struct nfs4_layoutget_res *lgr,
- struct nfs4_deviceid *id,
gfp_t gfp_flags)
{
struct xdr_stream stream;
@@ -682,9 +680,9 @@ static void _filelayout_free_lseg(struct nfs4_filelayout_segment *fl)
if (unlikely(!p))
goto out_err;
- memcpy(id, p, sizeof(*id));
+ memcpy(&fl->deviceid, p, sizeof(fl->deviceid));
p += XDR_QUADLEN(NFS4_DEVICEID4_SIZE);
- nfs4_print_deviceid(id);
+ nfs4_print_deviceid(&fl->deviceid);
nfl_util = be32_to_cpup(p++);
if (nfl_util & NFL4_UFLG_COMMIT_THRU_MDS)
@@ -831,15 +829,14 @@ static void _filelayout_free_lseg(struct nfs4_filelayout_segment *fl)
{
struct nfs4_filelayout_segment *fl;
int rc;
- struct nfs4_deviceid id;
dprintk("--> %s\n", __func__);
fl = kzalloc(sizeof(*fl), gfp_flags);
if (!fl)
return NULL;
- rc = filelayout_decode_layout(layoutid, fl, lgr, &id, gfp_flags);
- if (rc != 0 || filelayout_check_layout(layoutid, fl, lgr, &id, gfp_flags)) {
+ rc = filelayout_decode_layout(layoutid, fl, lgr, gfp_flags);
+ if (rc != 0 || filelayout_check_layout(layoutid, fl, lgr, gfp_flags)) {
_filelayout_free_lseg(fl);
return NULL;
}
diff --git a/fs/nfs/filelayout/filelayout.h b/fs/nfs/filelayout/filelayout.h
index 4c4d436..79323b5 100644
--- a/fs/nfs/filelayout/filelayout.h
+++ b/fs/nfs/filelayout/filelayout.h
@@ -61,6 +61,7 @@ struct nfs4_filelayout_segment {
u32 stripe_unit;
u32 first_stripe_index;
u64 pattern_offset;
+ struct nfs4_deviceid deviceid;
struct nfs4_file_layout_dsaddr *dsaddr; /* Point to GETDEVINFO data */
unsigned int num_fh;
struct nfs_fh **fh_array;
--
1.8.3.1
next prev parent reply other threads:[~2017-03-20 22:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-20 22:06 [PATCH Version 2 0/3] NFS filelayout fix a GETDEVINO hang` andros
2017-03-20 22:07 ` [PATCH Version 2 1/3] NFS cleanup struct nfs4_filelayout_segment andros
2017-03-20 22:07 ` andros [this message]
2017-03-20 22:07 ` [PATCH Version 2 3/3] NFS filelayout:call GETDEVICEINFO after pnfs_layout_process completes andros
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