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authorTrond Myklebust <Trond.Myklebust@netapp.com>2011-07-12 21:42:02 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-07-15 17:12:21 +0400
commitd9156f9f364897e93bdd98b4ad22138de18f7c24 (patch)
treef748c7b8d4a0eff52fcaa78fb4de216391efedf2 /include/linux/nfs_page.h
parentd097971d8ab4042eaa4bff98698ae9cc55942327 (diff)
downloadlinux-d9156f9f364897e93bdd98b4ad22138de18f7c24.tar.xz
NFS: Allow the nfs_pageio_descriptor to signal that a re-coalesce is needed
If an attempt to do pNFS fails, and we have to fall back to writing through the MDS, then we may want to re-coalesce the requests that we already have since the block size for the MDS read/writes may be different to that of the DS read/writes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_page.h')
-rw-r--r--include/linux/nfs_page.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index db3194f63479..7241b2a2a4d6 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -68,7 +68,8 @@ struct nfs_pageio_descriptor {
size_t pg_count;
size_t pg_bsize;
unsigned int pg_base;
- char pg_moreio;
+ unsigned char pg_moreio : 1,
+ pg_recoalesce : 1;
struct inode *pg_inode;
const struct nfs_pageio_ops *pg_ops;