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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-01-04 12:52:53 -0500
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-01-04 12:52:53 -0500
commite144e5391cf0881c9d64750dca8c592f6b5f0378 (patch)
treef0226d94dfdcc22532a18527df322aedcec40790 /fs/nfs
parent71b39854a500be0b80cb3bc05546a7962f387b5b (diff)
NFSv4.1/pnfs: Cleanup copying of pnfs_layout_range structures
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/pnfs.c4
-rw-r--r--fs/nfs/pnfs.h7
2 files changed, 9 insertions, 2 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index f86f060f853d..ebf896b54d9d 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -863,7 +863,7 @@ pnfs_choose_layoutget_stateid(nfs4_stateid *dst, struct pnfs_layout_hdr *lo,
static struct pnfs_layout_segment *
send_layoutget(struct pnfs_layout_hdr *lo,
struct nfs_open_context *ctx,
- struct pnfs_layout_range *range,
+ const struct pnfs_layout_range *range,
gfp_t gfp_flags)
{
struct inode *ino = lo->plh_inode;
@@ -896,7 +896,7 @@ send_layoutget(struct pnfs_layout_hdr *lo,
lgp->args.minlength = i_size - range->offset;
}
lgp->args.maxcount = PNFS_LAYOUT_MAXSIZE;
- lgp->args.range = *range;
+ pnfs_copy_range(&lgp->args.range, range);
lgp->args.type = server->pnfs_curr_ld->id;
lgp->args.inode = ino;
lgp->args.ctx = get_nfs_open_context(ctx);
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 3d0f513a4a77..dcc76335fd4b 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -578,6 +578,13 @@ pnfs_mark_layout_returned_if_empty(struct pnfs_layout_hdr *lo)
set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
}
+static inline void
+pnfs_copy_range(struct pnfs_layout_range *dst,
+ const struct pnfs_layout_range *src)
+{
+ memcpy(dst, src, sizeof(*dst));
+}
+
extern unsigned int layoutstats_timer;
#ifdef NFS_DEBUG