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NFSD: Implement the COPY call

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I only implemented the sync version of this call, since it's the
easiest.  I can simply call vfs_copy_range() and have the vfs do the
right thing for the filesystem being exported.

Signed-off-by: Anna Schumaker <bjschuma@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Anna Schumaker
2016-09-07 15:57:30 -04:00
committed by J. Bruce Fields
parent 42e616167a
commit 29ae7f9dc2
5 changed files with 181 additions and 13 deletions
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23
fs/nfsd/xdr4.h
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@@ -503,6 +503,28 @@ struct nfsd4_clone {
u64 cl_count;
};
struct nfsd42_write_res {
u64 wr_bytes_written;
u32 wr_stable_how;
nfs4_verifier wr_verifier;
};
struct nfsd4_copy {
/* request */
stateid_t cp_src_stateid;
stateid_t cp_dst_stateid;
u64 cp_src_pos;
u64 cp_dst_pos;
u64 cp_count;
/* both */
bool cp_consecutive;
bool cp_synchronous;
/* response */
struct nfsd42_write_res cp_res;
};
struct nfsd4_seek {
/* request */
stateid_t seek_stateid;
@@ -568,6 +590,7 @@ struct nfsd4_op {
struct nfsd4_fallocate allocate;
struct nfsd4_fallocate deallocate;
struct nfsd4_clone clone;
struct nfsd4_copy copy;
struct nfsd4_seek seek;
} u;
struct nfs4_replay * replay;