diff options
| -rw-r--r-- | fs/nfs/internal.h | 1 | ||||
| -rw-r--r-- | fs/nfs/nfs4filelayoutdev.c | 1 | ||||
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 8 | ||||
| -rw-r--r-- | fs/nfs/pnfs.h | 3 |
4 files changed, 11 insertions, 2 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 91e59a3..4bd53f4 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -255,6 +255,7 @@ extern int nfs4_decode_dirent(struct xdr_stream *, #ifdef CONFIG_NFS_V4_1 extern const u32 nfs41_maxread_overhead; extern const u32 nfs41_maxwrite_overhead; +extern const u32 nfs41_maxgetdevinfo_overhead; #endif /* nfs4proc.c */ diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c index 0493dbd..95604f6 100644 --- a/fs/nfs/nfs4filelayoutdev.c +++ b/fs/nfs/nfs4filelayoutdev.c @@ -711,6 +711,7 @@ filelayout_get_device_info(struct inode *inode, pdev->pgbase = 0; pdev->pglen = max_resp_sz; pdev->mincount = 0; + pdev->maxcount = max_resp_sz - nfs41_maxgetdevinfo_overhead; rc = nfs4_proc_getdeviceinfo(server, pdev, cred); dprintk("%s getdevice info returns %d\n", __func__, rc); diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 4be8d13..27cc76d 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -853,6 +853,12 @@ const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + decode_sequence_maxsz + decode_putfh_maxsz) * XDR_UNIT); + +const u32 nfs41_maxgetdevinfo_overhead = ((RPC_MAX_REPHEADER_WITH_AUTH + + compound_decode_hdr_maxsz + + decode_sequence_maxsz) * + XDR_UNIT); +EXPORT_SYMBOL_GPL(nfs41_maxgetdevinfo_overhead); #endif /* CONFIG_NFS_V4_1 */ static const umode_t nfs_type2fmt[] = { @@ -1889,7 +1895,7 @@ encode_getdeviceinfo(struct xdr_stream *xdr, p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, NFS4_DEVICEID4_SIZE); *p++ = cpu_to_be32(args->pdev->layout_type); - *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ + *p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */ *p++ = cpu_to_be32(0); /* bitmap length 0 */ } diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 1441dff..a4f4181 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -149,9 +149,10 @@ struct pnfs_device { struct nfs4_deviceid dev_id; unsigned int layout_type; unsigned int mincount; + unsigned int maxcount; /* gdia_maxcount */ struct page **pages; unsigned int pgbase; - unsigned int pglen; + unsigned int pglen; /* reply buffer length */ }; #define NFS4_PNFS_GETDEVLIST_MAXNUM 16 |
