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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-10-21 15:42:20 -0500
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-10-21 15:42:20 -0500
commit51e0164ebe374a26245312515af4ceae11bed4ae (patch)
tree6eb3f1c792c7a575be020b382e1cacf7bd08f940 /include/linux
parent120bf961b90adb8e76be827b1a68efe3d1019419 (diff)
parentb9788a446828703cf126dfb9d3843d240af44122 (diff)
Merge branch 'nfsclone'
* nfsclone: nfs: add missing linux/types.h NFS: Fix an 'unused variable' complaint when #ifndef CONFIG_NFS_V4_2 nfs42: add NFS_IOC_CLONE_RANGE ioctl nfs42: respect clone_blksize nfs: get clone_blksize when probing fsinfo nfs42: add NFS_IOC_CLONE ioctl nfs42: add CLONE proc functions nfs42: add CLONE xdr functions
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/nfs4.h3
-rw-r--r--include/linux/nfs_fs_sb.h2
-rw-r--r--include/linux/nfs_xdr.h20
3 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 00121f298269..e7e78537aea2 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -130,6 +130,7 @@ enum nfs_opnum4 {
OP_READ_PLUS = 68,
OP_SEEK = 69,
OP_WRITE_SAME = 70,
+ OP_CLONE = 71,
OP_ILLEGAL = 10044,
};
@@ -421,6 +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 */
@@ -501,6 +503,7 @@ enum {
NFSPROC4_CLNT_ALLOCATE,
NFSPROC4_CLNT_DEALLOCATE,
NFSPROC4_CLNT_LAYOUTSTATS,
+ NFSPROC4_CLNT_CLONE,
};
/* nfs41 types */
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 570a7df2775b..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 */
@@ -243,5 +244,6 @@ struct nfs_server {
#define NFS_CAP_ALLOCATE (1U << 20)
#define NFS_CAP_DEALLOCATE (1U << 21)
#define NFS_CAP_LAYOUTSTATS (1U << 22)
+#define NFS_CAP_CLONE (1U << 23)
#endif
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 53f2acc68baf..4728e7e5fc49 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 {
@@ -359,6 +360,25 @@ struct nfs42_layoutstat_data {
struct nfs42_layoutstat_res res;
};
+struct nfs42_clone_args {
+ struct nfs4_sequence_args seq_args;
+ struct nfs_fh *src_fh;
+ struct nfs_fh *dst_fh;
+ nfs4_stateid src_stateid;
+ nfs4_stateid dst_stateid;
+ __u64 src_offset;
+ __u64 dst_offset;
+ __u64 count;
+ const u32 *dst_bitmask;
+};
+
+struct nfs42_clone_res {
+ struct nfs4_sequence_res seq_res;
+ unsigned int rpc_status;
+ struct nfs_fattr *dst_fattr;
+ const struct nfs_server *server;
+};
+
struct stateowner_id {
__u64 create_time;
__u32 uniquifier;