From 459de2edb9105a5d091f8215650e12c0812d59f3 Mon Sep 17 00:00:00 2001 From: Bryan Schumaker Date: Wed, 5 Jun 2013 11:15:01 -0400 Subject: NFS: Make callbacks minor version generic I found a few places that hardcode the minor version number rather than making it dependent on the protocol the callback came in over. This patch makes it easier to add new minor versions in the future. Signed-off-by: Bryan Schumaker Signed-off-by: Trond Myklebust --- fs/nfs/internal.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/nfs/internal.h') diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 91e59a39fc08..97ec2ef6a220 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -165,7 +165,7 @@ extern void nfs_free_client(struct nfs_client *); extern struct nfs_client *nfs4_find_client_ident(struct net *, int); extern struct nfs_client * nfs4_find_client_sessionid(struct net *, const struct sockaddr *, - struct nfs4_sessionid *); + struct nfs4_sessionid *, u32); extern struct nfs_server *nfs_create_server(struct nfs_mount_info *, struct nfs_subversion *); extern struct nfs_server *nfs4_create_server( -- cgit v1.2.3-70-g09d2 From f1c097be2b35dcfc06c1c591194d78058dd67284 Mon Sep 17 00:00:00 2001 From: Andy Adamson Date: Tue, 25 Jun 2013 19:02:53 -0400 Subject: NFSv4.1 Fix gdia_maxcount calculation to fit in ca_maxresponsesize The GETDEVICEINFO gdia_maxcount represents all of the data being returned within the GETDEVICEINFO4resok structure and includes the XDR overhead. The CREATE_SESSION ca_maxresponsesize is the maximum reply and includes the RPC headers (including security flavor credentials and verifiers). Split out the struct pnfs_device field maxcount which is the gdia_maxcount from the pglen field which is the reply (the total) buffer length. Signed-off-by: Andy Adamson Signed-off-by: Trond Myklebust --- fs/nfs/internal.h | 1 + fs/nfs/nfs4filelayoutdev.c | 1 + fs/nfs/nfs4xdr.c | 8 +++++++- fs/nfs/pnfs.h | 3 ++- 4 files changed, 11 insertions(+), 2 deletions(-) (limited to 'fs/nfs/internal.h') diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 91e59a39fc08..4bd53f4e0fd2 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 0493dbd129c5..95604f64cab8 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 4be8d135ed61..27cc76d88f9a 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 1441dff9b0e7..a4f41810a7f4 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 -- cgit v1.2.3-70-g09d2