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Commit aa2f1ef1 authored by Chuck Lever's avatar Chuck Lever Committed by Trond Myklebust
Browse files

NFS: Account for NFS bytes read via the splice API 



Bytes read via the splice API should be accounted for in the NFS
performance statistics.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 4184dcf2

fs/nfs/file.c

+4 −1
Original line number Original line Diff line number Diff line
@@ -284,8 +284,11 @@ nfs_file_splice_read(struct file *filp, loff_t *ppos, 
		(unsigned long) count, (unsigned long long) *ppos);

		(unsigned long) count, (unsigned long long) *ppos);





	res = nfs_revalidate_mapping(inode, filp->f_mapping);

	res = nfs_revalidate_mapping(inode, filp->f_mapping);

	if (!res)

	if (!res) {

		res = generic_file_splice_read(filp, ppos, pipe, count, flags);

		res = generic_file_splice_read(filp, ppos, pipe, count, flags);

		if (res > 0)

			nfs_add_stats(inode, NFSIOS_NORMALREADBYTES, res);

	}

	return res;

	return res;

}

}