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authorFred Isaman <iisaman@citi.umich.edu>2011-07-30 20:52:37 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-07-31 12:18:15 -0400
commitdae100c2b1b9463996aab9162f2258145c43f7df (patch)
tree302638375d4e6a0400964ae160216080760d984a /include
parent738fd0f360359aecc7fcd7604bbe9e854d81fb1f (diff)
pnfs: ask for layout_blksize and save it in nfs_server
Block layout needs it to determine IO size. Signed-off-by: Fred Isaman <iisaman@citi.umich.edu> Signed-off-by: Tao Guo <glorioustao@gmail.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: Benny Halevy <bhalevy@tonian.com> Signed-off-by: Jim Rees <rees@umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/nfs_fs_sb.h3
-rw-r--r--include/linux/nfs_xdr.h3
2 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 4faeac8f448..b2ea8b82d2c 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -132,7 +132,7 @@ struct nfs_server {
#endif
#ifdef CONFIG_NFS_V4
- u32 attr_bitmask[2];/* V4 bitmask representing the set
+ u32 attr_bitmask[3];/* V4 bitmask representing the set
of attributes supported on this
filesystem */
u32 cache_consistency_bitmask[2];
@@ -145,6 +145,7 @@ struct nfs_server {
filesystem */
struct pnfs_layoutdriver_type *pnfs_curr_ld; /* Active layout driver */
struct rpc_wait_queue roc_rpcwaitq;
+ u32 pnfs_blksize; /* layout_blksize attr */
/* the following fields are protected by nfs_client->cl_lock */
struct rb_root state_owners;
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 21f333eae3c..94f27e56df9 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -122,6 +122,7 @@ struct nfs_fsinfo {
struct timespec time_delta; /* server time granularity */
__u32 lease_time; /* in seconds */
__u32 layouttype; /* supported pnfs layout driver */
+ __u32 blksize; /* preferred pnfs io block size */
};
struct nfs_fsstat {
@@ -954,7 +955,7 @@ struct nfs4_server_caps_arg {
};
struct nfs4_server_caps_res {
- u32 attr_bitmask[2];
+ u32 attr_bitmask[3];
u32 acl_bitmask;
u32 has_links;
u32 has_symlinks;