diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-06-10 13:30:23 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-07-12 13:40:28 -0400 |
| commit | d8007d4dd6ff8749cc8a4063c3ec87442db76d82 (patch) | |
| tree | f778176d24666f2e2c7cd7ef4dc5917aa11cc207 /fs/nfs/write.c | |
| parent | 1751c3638f2a07a8c66a803a31791bab9bd3fced (diff) | |
NFSv4.1: Add an initialisation callback for pNFS
Ensure that we always get a layout before setting up the i/o request.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/write.c')
| -rw-r--r-- | fs/nfs/write.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index b144b5474546..d1ae7e45886f 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -916,7 +916,7 @@ static int nfs_flush_multi(struct nfs_pageio_descriptor *desc) unsigned int offset; int requests = 0; int ret = 0; - struct pnfs_layout_segment *lseg; + struct pnfs_layout_segment *lseg = desc->pg_lseg; LIST_HEAD(list); nfs_list_remove_request(req); @@ -940,10 +940,6 @@ static int nfs_flush_multi(struct nfs_pageio_descriptor *desc) } while (nbytes != 0); atomic_set(&req->wb_complete, requests); - BUG_ON(desc->pg_lseg); - lseg = pnfs_update_layout(desc->pg_inode, req->wb_context, - req_offset(req), desc->pg_count, - IOMODE_RW, GFP_NOFS); ClearPageError(page); offset = 0; nbytes = desc->pg_count; @@ -976,6 +972,8 @@ out_bad: nfs_writedata_free(data); } nfs_redirty_request(req); + put_lseg(lseg); + desc->pg_lseg = NULL; return -ENOMEM; } @@ -1016,10 +1014,6 @@ static int nfs_flush_one(struct nfs_pageio_descriptor *desc) *pages++ = req->wb_page; } req = nfs_list_entry(data->pages.next); - if ((!lseg) && list_is_singular(&data->pages)) - lseg = pnfs_update_layout(desc->pg_inode, req->wb_context, - req_offset(req), desc->pg_count, - IOMODE_RW, GFP_NOFS); if ((desc->pg_ioflags & FLUSH_COND_STABLE) && (desc->pg_moreio || NFS_I(desc->pg_inode)->ncommit)) |