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NFS: Add COPY nfs operation

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This adds the copy_range file_ops function pointer used by the
sys_copy_range() function call.  This patch only implements sync copies,
so if an async copy happens we decode the stateid and ignore it.

Signed-off-by: Anna Schumaker <bjschuma@netapp.com>
This commit is contained in:
Anna Schumaker 2013-05-21 16:53:03 -04:00 • committed by Anna Schumaker
parent 67911c8f18
commit 2e72448b07
9 changed files with 305 additions and 0 deletions
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26
include/linux/nfs_xdr.h
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@ -1343,6 +1343,32 @@ struct nfs42_falloc_res {
const struct nfs_server *falloc_server;
};
struct nfs42_copy_args {
struct nfs4_sequence_args seq_args;
struct nfs_fh *src_fh;
nfs4_stateid src_stateid;
u64 src_pos;
struct nfs_fh *dst_fh;
nfs4_stateid dst_stateid;
u64 dst_pos;
u64 count;
};
struct nfs42_write_res {
u64 count;
struct nfs_writeverf verifier;
};
struct nfs42_copy_res {
struct nfs4_sequence_res seq_res;
struct nfs42_write_res write_res;
bool consecutive;
bool synchronous;
};
struct nfs42_seek_args {
struct nfs4_sequence_args seq_args;