From f4ac1674f5da420ef17896f0f222c5215ebcde80 Mon Sep 17 00:00:00 2001 From: Anna Schumaker Date: Tue, 25 Nov 2014 13:18:15 -0500 Subject: nfs: Add ALLOCATE support This patch adds support for using the NFS v4.2 operation ALLOCATE to preallocate data in a file. Signed-off-by: Anna Schumaker Signed-off-by: Trond Myklebust --- include/linux/nfs4.h | 1 + include/linux/nfs_fs_sb.h | 1 + include/linux/nfs_xdr.h | 14 ++++++++++++++ 3 files changed, 16 insertions(+) (limited to 'include') diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 356acc2846fd..2b28a21edcd0 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -490,6 +490,7 @@ enum { /* nfs42 */ NFSPROC4_CLNT_SEEK, + NFSPROC4_CLNT_ALLOCATE, }; /* nfs41 types */ diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index a32ba0d7a98f..df6ed429b406 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -231,5 +231,6 @@ struct nfs_server { #define NFS_CAP_ATOMIC_OPEN_V1 (1U << 17) #define NFS_CAP_SECURITY_LABEL (1U << 18) #define NFS_CAP_SEEK (1U << 19) +#define NFS_CAP_ALLOCATE (1U << 20) #endif diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 47ebb4fafd87..467c84efb596 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1243,6 +1243,20 @@ nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo) #endif /* CONFIG_NFS_V4_1 */ #ifdef CONFIG_NFS_V4_2 +struct nfs42_falloc_args { + struct nfs4_sequence_args seq_args; + + struct nfs_fh *falloc_fh; + nfs4_stateid falloc_stateid; + u64 falloc_offset; + u64 falloc_length; +}; + +struct nfs42_falloc_res { + struct nfs4_sequence_res seq_res; + unsigned int status; +}; + struct nfs42_seek_args { struct nfs4_sequence_args seq_args; -- cgit v1.2.3