diff options
| author | Peng Tao | 2015-09-26 02:24:37 +0800 |
|---|---|---|
| committer | Trond Myklebust | 2015-10-15 16:08:18 -0400 |
| commit | 2a92ee92d4545448066fb664674c0ae5a9d5ea99 (patch) | |
| tree | e24c885891708e270231568400d1edd3041cabc1 /include/linux | |
| parent | bea51b30b281039f0f43fb4f42028ddf33fb601f (diff) | |
nfs: get clone_blksize when probing fsinfo
NFSv42 CLONE operation is supposed to respect it.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/nfs4.h | 1 | ||||
| -rw-r--r-- | include/linux/nfs_fs_sb.h | 1 | ||||
| -rw-r--r-- | include/linux/nfs_xdr.h | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index c0c695b634d0..e7e78537aea2 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -422,6 +422,7 @@ enum lock_type4 { #define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0) #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) +#define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13) #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) /* MDS threshold bitmap bits */ diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index a50de1002b20..2469ab0bb3a1 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -147,6 +147,7 @@ struct nfs_server { unsigned int acdirmax; unsigned int namelen; unsigned int options; /* extra options enabled by mount */ + unsigned int clone_blksize; /* granularity of a CLONE operation */ #define NFS_OPTION_FSCACHE 0x00000001 /* - local caching enabled */ #define NFS_OPTION_MIGRATION 0x00000002 /* - NFSv4 migration enabled */ diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index ac678b7a65ed..92ff445e60a0 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -141,6 +141,7 @@ struct nfs_fsinfo { __u32 lease_time; /* in seconds */ __u32 layouttype; /* supported pnfs layout driver */ __u32 blksize; /* preferred pnfs io block size */ + __u32 clone_blksize; /* granularity of a CLONE operation */ }; struct nfs_fsstat { |