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path: root/fs/nfs/nfs4xdr.c
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2015-09-07NFSv4: Express delegation limit in units of pagesTrond Myklebust1-6/+10
Since we're tracking modifications to the page cache on a per-page basis, it makes sense to express the limit to how much we may cache in units of pages. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-08-28NFSv4.1/pnfs: Ensure layoutreturn reserves space for the opaque payloadTrond Myklebust1-1/+2
The "FIXME" is outdated. Flexfiles does add a payload. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-08-28NFS: Send attributes in OPEN request for NFS4_CREATE_EXCLUSIVE4_1Kinglong Mee1-8/+18
Client sends a SETATTR request after OPEN for updating attributes. For create file with S_ISGID is set, the S_ISGID in SETATTR will be ignored at nfs server as chmod of no PERMISSION. v3, same as v2. Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-08-28NFS: Get suppattr_exclcreat when getting server capabilitiesKinglong Mee1-5/+21
Create file with attributs as NFS4_CREATE_EXCLUSIVE4_1 mode depends on suppattr_exclcreat attribut. v3, same as v2. Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-08-05xprtrdma: Fix large NFS SYMLINK callsChuck Lever1-1/+3
Repair how rpcrdma_marshal_req() chooses which RDMA message type to use for large non-WRITE operations so that it picks RDMA_NOMSG in the correct situations, and sets up the marshaling logic to SEND only the RPC/RDMA header. Large NFSv2 SYMLINK requests now use RDMA_NOMSG calls. The Linux NFS server XDR decoder for NFSv2 SYMLINK does not handle having the pathname argument arrive in a separate buffer. The decoder could be fixed, but this is simpler and RDMA_NOMSG can be used in a variety of other situations. Ensure that the Linux client continues to use "RDMA_MSG + read list" when sending large NFSv3 SYMLINK requests, which is more efficient than using RDMA_NOMSG. Large NFSv4 CREATE(NF4LNK) requests are changed to use "RDMA_MSG + read list" just like NFSv3 (see Section 5 of RFC 5667). Before, these did not work at all. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Tested-by: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2015-06-24NFSv.2/pnfs Add a LAYOUTSTATS rpc functionTrond Myklebust1-0/+1
Reviewed-by: Jeff Layton <jeff.layton@primarydata.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-06-16nfs: update maxsz values for SETCLIENTID and EXCHANGE_IDJeff Layton1-2/+4
The spec allows for up to NFS4_OPAQUE_LIMIT (1k). While we'll almost certainly never use that much, these ops are generally the only ones in the compound so we might as well allow for them to be that large. Also, the existing code didn't add in a word for the opaque length field for either name string. Fix that while we're in there. Signed-off-by: Jeff Layton <jeff.layton@primarydata.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-06-16nfs: convert setclientid and exchange_id encoders to use clp->cl_owner_idJeff Layton1-3/+5
...instead of buffers that are part of their arg structs. We already hold a reference to the client, so we might as well use the allocated buffer. In the event that we can't allocate the clp->cl_owner_id, then just return -ENOMEM. Note too that we switch from a GFP_KERNEL allocation here to GFP_NOFS. It's possible we could end up trying to do a SETCLIENTID or EXCHANGE_ID in order to reclaim some memory, and the GFP_KERNEL allocations in the existing code could cause recursion back into NFS reclaim. Signed-off-by: Jeff Layton <jeff.layton@primarydata.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-04-23NFS: Move nfs_idmap.h into fs/nfs/Anna Schumaker1-1/+1
This file is only used internally to the NFS v4 module, so it doesn't need to be in the global include path. I also renamed it from nfs_idmap.h to nfs4idmap.h to emphasize that it's an NFSv4-only include file. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-04-23NFS: Add a stub for GETDEVICELISTAnna Schumaker1-0/+6
d4b18c3e (pnfs: remove GETDEVICELIST implementation) removed the GETDEVICELIST operation from the NFS client, but left a "hole" in the nfs4_procedures array. This caused /proc/self/mountstats to report an operation named "51" where GETDEVICELIST used to be. This patch adds a stub to fix mountstats. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Fixes: d4b18c3e (pnfs: remove GETDEVICELIST implementation) Cc: stable@vger.kernel.org # 3.17+ Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-03-27NFSv4.1: Allow getdeviceinfo to return notification info back to callerTrond Myklebust1-9/+5
We are only allowed to cache deviceinfo if the server supports notifications and actually promises to call us back when changes occur. Right now, we request those notifications, but then we don't check the server's reply. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-02-19NFSv4.1: Clean up bind_conn_to_sessionTrond Myklebust1-8/+8
We don't need to fake up an entire session in order retrieve the arguments. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-02-18NFSv4.1: Always set up a forward channel when binding the sessionTrond Myklebust1-1/+1
Currently, the client requests a back channel or a bidirectional connection when binding a new TCP channel to an existing session. Fix that to ask for a forward channel or bidirectional. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-02-18NFSv4.1: Clean up create_sessionTrond Myklebust1-9/+7
Don't decode directly into the shared struct session Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-02-04NFSv4.1: Ask for no delegation on OPEN if using O_DIRECTTrond Myklebust1-26/+53
If we're using NFSv4.1, then we have the ability to let the server know whether or not we believe that returning a delegation as part of our OPEN request would be useful. The feature needs to be used with care, since the client sending the request doesn't necessarily know how other clients are using that file, and how they may be affected by the delegation. For this reason, our initial use of the feature will be to let the server know when the client believes that handing out a delegation would not be useful. The first application for this function is when opening the file using O_DIRECT. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-02-04Merge branch 'flexfiles'Trond Myklebust1-3/+6
* flexfiles: (53 commits) pnfs: lookup new lseg at lseg boundary nfs41: .init_read and .init_write can be called with valid pg_lseg pnfs: Update documentation on the Layout Drivers pnfs/flexfiles: Add the FlexFile Layout Driver nfs: count DIO good bytes correctly with mirroring nfs41: wait for LAYOUTRETURN before retrying LAYOUTGET nfs: add a helper to set NFS_ODIRECT_RESCHED_WRITES to direct writes nfs41: add NFS_LAYOUT_RETRY_LAYOUTGET to layout header flags nfs/flexfiles: send layoutreturn before freeing lseg nfs41: introduce NFS_LAYOUT_RETURN_BEFORE_CLOSE nfs41: allow async version layoutreturn nfs41: add range to layoutreturn args pnfs: allow LD to ask to resend read through pnfs nfs: add nfs_pgio_current_mirror helper nfs: only reset desc->pg_mirror_idx when mirroring is supported nfs41: add a debug warning if we destroy an unempty layout pnfs: fail comparison when bucket verifier not set nfs: mirroring support for direct io nfs: add mirroring support to pgio layer pnfs: pass ds_commit_idx through the commit path ... Conflicts: fs/nfs/pnfs.c fs/nfs/pnfs.h
2015-02-03nfs41: add range to layoutreturn argsPeng Tao1-3/+3
So that callers can specify which range to return. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <loghyr@primarydata.com>
2015-02-03nfs41: pass iomode through layoutreturn argsPeng Tao1-1/+1
So that it is possible to return a specific iomode layouts. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs: save server READ/WRITE/COMMIT statusPeng Tao1-0/+3
Flexfiles layout would want to use them to report DS IO status. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-01-25NFSv4.1: Replace usage of nfs_client->cl_addr in encode_create_sessionTrond Myklebust1-7/+3
Replace the current code with something that is a little closer to what net/sunrpc/auth_unix.c uses. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-01-25NFSv4: Fix lock on-wire reordering issuesTrond Myklebust1-3/+3
This patch ensures that the server cannot reorder our LOCK/LOCKU requests if they are sent in parallel on the wire. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-01-24NFSv4: Check for NULL argument in nfs_*_seqid() functionsTrond Myklebust1-1/+4
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-01-24NFSv4: Fix an atomicity problem in CLOSETrond Myklebust1-2/+2
If we are to remove the serialisation of OPEN/CLOSE, then we need to ensure that the stateid sent as part of a CLOSE operation does not change after we test the state in nfs4_close_prepare. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-11-27Merge tag 'nfs-cel-for-3.19' of ↵Trond Myklebust1-4/+6
git://git.linux-nfs.org/projects/anna/nfs-rdma into linux-next Pull pull additional NFS client changes for 3.19 from Anna Schumaker: "NFS: Generic client side changes from Chuck These patches fixes for iostats and SETCLIENTID in addition to cleaning up the nfs4_init_callback() function. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>" * tag 'nfs-cel-for-3.19' of git://git.linux-nfs.org/projects/anna/nfs-rdma: NFS: Clean up nfs4_init_callback() NFS: SETCLIENTID XDR buffer sizes are incorrect SUNRPC: serialize iostats updates
2014-11-26nfs: Add DEALLOCATE supportAnna Schumaker1-0/+1
This patch adds support for using the NFS v4.2 operation DEALLOCATE to punch holes in a file. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-11-26nfs: Add ALLOCATE supportAnna Schumaker1-0/+1
This patch adds support for using the NFS v4.2 operation ALLOCATE to preallocate data in a file. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-11-26NFS: SETCLIENTID XDR buffer sizes are incorrectChuck Lever1-4/+6
Use the correct calculation of the maximum size of a clientaddr4 when encoding and decoding SETCLIENTID operations. clientaddr4 is defined in section 2.2.10 of RFC3530bis-31. The usage in encode_setclientid_maxsz is missing the 4-byte length in both strings, but is otherwise correct. decode_setclientid_maxsz simply asks for a page of receive buffer space, which is unnecessarily large (more than 4KB). Note that a SETCLIENTID reply is either clientid+verifier, or clientaddr4, depending on the returned NFS status. It doesn't hurt to allocate enough space for both. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2014-10-01Merge branch 'client-4.2' into linux-nextTrond Myklebust1-0/+7
Merge NFSv4.2 client SEEK implementation from Anna * client-4.2: (55 commits) NFS: Implement SEEK NFSD: Implement SEEK NFSD: Add generic v4.2 infrastructure svcrdma: advertise the correct max payload nfsd: introduce nfsd4_callback_ops nfsd: split nfsd4_callback initialization and use nfsd: introduce a generic nfsd4_cb nfsd: remove nfsd4_callback.cb_op nfsd: do not clear rpc_resp in nfsd4_cb_done_sequence nfsd: fix nfsd4_cb_recall_done error handling nfsd4: clarify how grace period ends nfsd4: stop grace_time update at end of grace period nfsd: skip subsequent UMH "create" operations after the first one for v4.0 clients nfsd: set and test NFSD4_CLIENT_STABLE bit to reduce nfsdcltrack upcalls nfsd: serialize nfsdcltrack upcalls for a particular client nfsd: pass extra info in env vars to upcalls to allow for early grace period end nfsd: add a v4_end_grace file to /proc/fs/nfsd lockd: add a /proc/fs/lockd/nlm_end_grace file nfsd: reject reclaim request when client has already sent RECLAIM_COMPLETE nfsd: remove redundant boot_time parm from grace_done client tracking op ...
2014-10-01NFS: Implement SEEKAnna Schumaker1-0/+7
The SEEK operation is used when an application makes an lseek call with either the SEEK_HOLE or SEEK_DATA flags set. I fall back on nfs_file_llseek() if the server does not have SEEK support. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-09-12pnfs: enable CB_NOTIFY_DEVICEID supportChristoph Hellwig1-8/+23
This code has been around for a while, but never was enabled, although it is in a working shape. Note that we implement NOTIFY_DEVICEID4_CHANGE identical to NOTIFY_DEVICEID4_DELETE. Given that in either case we can't do anything but preventing further lookups of a given device ID there isn't much difference in semantics for the two. For the delete case the server MUST ensure that there are no outstanding layouts, while for the change case it doesn't, but that has little relevance to the client. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-09-12pnfs: remove GETDEVICELIST implementationChristoph Hellwig1-130/+0
The current GETDEVICELIST implementation is buggy in that it doesn't handle cursors correctly, and in that it returns an error if the server returns NFSERR_NOTSUPP. Given that there is no actual need for GETDEVICELIST, it has various issues and might get removed for NFSv4.2 stop using it in the blocklayout driver, and thus the Linux NFS client as whole. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-09-10pnfs: allow splicing pre-encoded pages into the layoutcommit argsChristoph Hellwig1-5/+13
Currently there is no XDR buffer space allocated for the per-layout driver layoutcommit payload, which leads to server buffer overflows in the blocklayout driver even under simple workloads. As we can't do per-layout sizes for XDR operations we'll have to splice a previously encoded list of pages into the XDR stream, similar to how we handle ACL buffers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-07-13NFSv4: Drop castHimangi Saraogi1-1/+1
This patch does away with the cast on void * as it is unnecessary. The following Coccinelle semantic patch was used for making the change: @r@ expression x; void* e; type T; identifier f; @@ ( *((T *)e) | ((T *)x)[...] | ((T *)x)->f | - (T *) e ) Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-05-29NFS: Create a common results structure for reads and writesAnna Schumaker1-4/+5
Reads and writes have very similar results. This patch combines the two structs together with comments to show where the differing fields are used. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-05-29NFS: Create a common argument structure for reads and writesAnna Schumaker1-4/+6
Reads and writes have very similar arguments. This patch combines them together and documents the few fields used only by write. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-03-17NFS: Clean up: revert increase in READDIR RPC buffer max sizeChuck Lever1-2/+1
Security labels go with each directory entry, thus they are always stored in the page cache, not in the head buffer. The length of the reply that goes in head[0] should not have changed to support NFSv4.2 labels. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-01-31nfs: initialize the ACL support bits to zero.Malahal Naineni1-1/+1
Avoid returning incorrect acl mask attributes when the server doesn't support ACLs. Signed-off-by: Malahal Naineni <malahal@us.ibm.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2013-12-06NFSv4: OPEN must handle the NFS4ERR_IO return code correctlyTrond Myklebust1-16/+31
decode_op_hdr() cannot distinguish between an XDR decoding error and the perfectly valid errorcode NFS4ERR_IO. This is normally not a problem, but for the particular case of OPEN, we need to be able to increment the NFSv4 open sequence id when the server returns a valid response. Reported-by: J Bruce Fields <bfields@fieldses.org> Link: http://lkml.kernel.org/r/20131204210356.GA19452@fieldses.org Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Cc: stable@vger.kernel.org
2013-11-05NFSv4.2: encode_readdir - only ask for labels when doing readdirplusTrond Myklebust1-13/+12
Currently, if the server is doing NFSv4.2 and supports labeled NFS, then our on-the-wire READDIR request ends up asking for the label information, which is then ignored unless we're doing readdirplus. This patch ensures that READDIR doesn't ask the server for label information at all unless the readdir->bitmask contains the FATTR4_WORD2_SECURITY_LABEL attribute, and the readdir->plus flag is set. While we're at it, optimise away the 3rd bitmap field if it is zero. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-10-28NFS: Add method to detect whether an FSID is still on the serverChuck Lever1-2/+65
Introduce a mechanism for probing a server to determine if an FSID is present or absent. The on-the-wire compound is different between minor version 0 and 1. Minor version 0 appends a RENEW operation to identify which client ID is probing. Minor version 1 has a SEQUENCE operation in the compound which effectively carries the same information. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-10-28NFS: Add method to retrieve fs_locations during migration recoveryChuck Lever1-11/+35
The nfs4_proc_fs_locations() function is invoked during referral processing to perform a GETATTR(fs_locations) on an object's parent directory in order to discover the target of the referral. It performs a LOOKUP in the compound, so the client needs to know the parent's file handle a priori. Unfortunately this function is not adequate for handling migration recovery. We need to probe fs_locations information on an FSID, but there's no parent directory available for many operations that can return NFS4ERR_MOVED. Another subtlety: recovering from NFS4ERR_LEASE_MOVED is a process of walking over a list of known FSIDs that reside on the server, and probing whether they have migrated. Once the server has detected that the client has probed all migrated file systems, it stops returning NFS4ERR_LEASE_MOVED. A minor version zero server needs to know what client ID is requesting fs_locations information so it can clear the flag that forces it to continue returning NFS4ERR_LEASE_MOVED. This flag is set per client ID and per FSID. However, the client ID is not an argument of either the PUTFH or GETATTR operations. Later minor versions have client ID information embedded in the compound's SEQUENCE operation. Therefore, by convention, minor version zero clients send a RENEW operation in the same compound as the GETATTR(fs_locations), since RENEW's one argument is a clientid4. This allows a minor version zero server to identify correctly the client that is probing for a migration. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-09-10NFSv4.1 fix decode_free_stateidAndy Adamson1-15/+2
The operation status is decoded in decode_op_hdr. Stop the print_overflow message that is always hit without this patch: nfs: decode_free_stateid: prematurely hit end of receive buffer. Remaining buffer length is 0 words. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-09-05nfs4.1: Minimal SP4_MACH_CRED implementationWeston Andros Adamson1-10/+62
This is a minimal client side implementation of SP4_MACH_CRED. It will attempt to negotiate SP4_MACH_CRED iff the EXCHANGE_ID is using krb5i or krb5p auth. SP4_MACH_CRED will be used if the server supports the minimal operations: BIND_CONN_TO_SESSION EXCHANGE_ID CREATE_SESSION DESTROY_SESSION DESTROY_CLIENTID This patch only includes the EXCHANGE_ID negotiation code because the client will already use the machine cred for these operations. If the server doesn't support SP4_MACH_CRED or doesn't support the minimal operations, the exchange id will be resent with SP4_NONE. Signed-off-by: Weston Andros Adamson <dros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-09-03NFS: NFSv4.0 transport blockingChuck Lever1-6/+7
Plumb in a mechanism for plugging an NFSv4.0 mount, using the same infrastructure as NFSv4.1 sessions. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-08-22NFSv4: Fix an incorrect pointer declaration in decode_first_pnfs_layout_typeTrond Myklebust1-1/+1
We always encode to __be32 format in XDR: silences a sparse warning. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Andy Adamson <andros@netapp.com>
2013-08-22NFSv4: Deal with some more sparse warningsTrond Myklebust1-1/+1
Technically, we don't really need to convert these time stamps, since they are actually cookies. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Chuck Lever <Chuck.Lever@oracle.com>
2013-07-24NFSv4: encode_attrs should not backfill the bitmap and attribute lengthTrond Myklebust1-72/+53
The attribute length is already calculated in advance. There is no reason why we cannot calculate the bitmap in advance too so that we don't have to play pointer games. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-07-24NFSv4: Fix brainfart in attribute length calculationTrond Myklebust1-1/+1
The calculation of the attribute length was 4 bytes off. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Tested-by: Andre Heider <a.heider@gmail.com> Reported-and-tested-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-18NFSv4: Fix a regression against the FreeBSD serverTrond Myklebust1-7/+14
Technically, the Linux client is allowed by the NFSv4 spec to send 3 word bitmaps as part of an OPEN request. However, this causes the current FreeBSD server to return NFS4ERR_ATTRNOTSUPP errors. Fix the regression by making the Linux client use a 2 word bitmap unless doing NFSv4.2 with labeled NFS. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-06-29Merge branch 'labeled-nfs' into linux-nextTrond Myklebust1-37/+137
* labeled-nfs: NFS: Apply v4.1 capabilities to v4.2 NFS: Add in v4.2 callback operation NFS: Make callbacks minor version generic Kconfig: Add Kconfig entry for Labeled NFS V4 client NFS: Extend NFS xattr handlers to accept the security namespace NFS: Client implementation of Labeled-NFS NFS: Add label lifecycle management NFS:Add labels to client function prototypes NFSv4: Extend fattr bitmaps to support all 3 words NFSv4: Introduce new label structure NFSv4: Add label recommended attribute and NFSv4 flags NFSv4.2: Added NFS v4.2 support to the NFS client SELinux: Add new labeling type native labels LSM: Add flags field to security_sb_set_mnt_opts for in kernel mount data. Security: Add Hook to test if the particular xattr is part of a MAC model. Security: Add hook to calculate context based on a negative dentry. NFS: Add NFSv4.2 protocol constants Conflicts: fs/nfs/nfs4proc.c
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