- 30 1月, 2008 40 次提交
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由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Now that the needed IPv6 infrastructure is in place, allow the NFS client's IP address parser to generate AF_INET6 addresses. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Replace the nfs_server and mount_server address fields in the nfs_parsed_mount_data structure with a "struct sockaddr_storage" instead of a "struct sockaddr_in". Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Refactor the logic to parse incoming text-based IP addresses. Use the in4_pton() function instead of the older in_aton(), following the lead of the in-kernel CIFS client. Later we'll add IPv6 address parsing using the matching in6_pton() function. For now we can't allow IPv6 address parsing: we must expand the size of the address storage fields in the nfs_parsed_mount_options struct before we can parse and store IPv6 addresses. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
In the name of address family compatibility, we can't have the NIP_FMT and NIPQUAD macros in nfs_try_mount(). Instead, we can make use of an unused mount option to display the mount server's hostname. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Change the addr field in the nfs_clone_mount structure to store a "struct sockaddr *" to support non-IPv4 addresses in the NFS client. Note this is mostly a cosmetic change, and does not actually allow referrals using IPv6 addresses. The existing referral code assumes that the server returns a string that represents an IPv4 address. This code needs to support hostnames and IPv6 addresses as well as IPv4 addresses, thus it will need to be reorganized completely (to handle DNS resolution in user space). Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Adjust the arguments and callers of nfs4_set_client() to pass a "struct sockaddr *" instead of a "struct sockaddr_in *" to support non-IPv4 addresses in the NFS client. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Adjust arguments and callers of nfs_get_client() to pass a "struct sockaddr *" instead of "struct sockaddr_in *" to support non-IPv4 addresses. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Adjust arguments and callers of nfs_find_client() to pass a "struct sockaddr *" instead of "struct sockaddr_in *" to support non-IPv4 addresses. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Trond: Also fix up protocol version number argument in nfs_find_client() to use the correct u32 type. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Change the addr field in the cb_recallargs struct to a "struct sockaddr *" to support non-IPv4 addresses. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Change the addr field in the cb_getattrargs struct to a "struct sockaddr *" to support non-IPv4 addresses. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Prepare for managing larger addresses in the NFS client by widening the nfs_client struct's cl_addr field. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> (Modified to work with the new parameters for nfs_alloc_client) Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Introduce AF_INET6-specific address checking to __nfs_find_client(). Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Create a helper function to set the default NFS port for NFSv4 mount points. The helper supports both AF_INET and AF_INET6 family addresses. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
We'll need to set the port number of an AF_INET or AF_INET6 address in several places in fs/nfs/super.c, so introduce a helper that can manage this for us. We put this helper to immediate use. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Add support to nfs_verify_server_address for recognizing AF_INET6 addresses. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Refactor nfs_compare_super() and add AF_INET6 support. Replace the generic memcmp() to document explicitly what parts of the addresses must match in this check, and make the comparison independent of the lengths of both addresses. A side benefit is both tests are more computationally efficient than a memcmp(). Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Clean up: fix an outdated block comment, and address a comparison between a signed and unsigned integer. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Clean up: The client side peer address is available in callback_proc.c, so move a dprintk out of fs/nfs/callback.c and into fs/nfs/callback_proc.c. This is more consistent with other debugging messages, and the proc routines have more information about each request to display. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
To ensure the NFS client displays IPv6 addresses properly, replace address family-specific NIPQUAD() invocations with a call to the RPC client to get a formatted string representing the remote peer's address. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
We recently added methods to RPC transports that provide string versions of the remote peer address information. Convert the NFSv4 SETCLIENTID procedure to use those methods instead of building the client ID out of whole cloth. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
The nfs_client's cl_ipaddr field needs to be larger to hold strings that represent IPv6 addresses. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Ensure that the RPC buffer size specified for NFSv4 SETCLIENTID procedures matches what we are encoding into the buffer. See the definition of struct nfs4_setclientid {} and the encode_setclientid() function. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Universal addresses are defined in RFC 1833 and clarified in RFC 3530. We need to use them in several places in the NFS and RPC clients, so move the relevant definition and block comment to an appropriate global include file. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Clean up: use correct type for RPC version numbers in rpcbind client. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Make sure rpcb_clnt passes the correct address length to rpc_create(). Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
If the ULP doesn't pass a hostname string to rpc_create(), it manufactures one based on the passed-in address. Be smart enough to handle an AF_INET6 address properly in this case. Move the default servername logic before the xprt_create_transport() call to simplify error handling in rpc_create(). Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
We can get the same information from the rpc_ops structure instead. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Clean up: The header tag length is unsigned, so checking that it is less than zero is unnecessary. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
The address comparison in the __nfs_find_client() function is deceptive. It uses a memcmp() to check a pair of u32 fields for equality. Not only is this inefficient, but usually memcmp() is used for comparing two *whole* sockaddr_in's (which includes comparisons of the address family and port number), so it's easy to mistake the comparison here for a whole sockaddr comparison, which it isn't. So for clarity and efficiency, we replace the memcmp() with a simple test for equality between the two s_addr fields. This should have no behavioral effect. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Clean up: mount option parsing uses kstrndup in several places, rather than using kzalloc. Replace the few remaining uses of kzalloc with kstrndup, for consistency. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Remove the mount option that allows users to specify an alternate mountd program number. The client hasn't support setting an alternate mountd program number for a very long time. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Remove the mount option that allows users to specify an alternate NFS program number. The client hasn't support setting an alternate NFS program number for a very long time. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Text-based mount option parsing introduced a minor regression in the behavior of NFS version 4 mounts. NFS version 4 is not supposed to require a running rpcbind service on the server in order for a mount to succeed. In other words, if the mount options don't specify a port number, the port number is supposed to default to 2049. For earlier versions of NFS, the default port number was zero in order to cause the RPC client to autobind to the server's NFS service. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
POSIX requires that ctime and mtime, as reported by the stat(2) call, reflect the activity of the most recent write(2). To that end, nfs_getattr() flushes pending dirty writes to a file before doing a GETATTR to allow the NFS server to set the file's size, ctime, and mtime properly. However, nfs_getattr() can be starved when a constant stream of application writes to a file prevents nfs_wb_nocommit() from completing. This usually results in hangs of programs doing a stat against an NFS file that is being written. "ls -l" is a common victim of this behavior. To prevent starvation, hold the file's i_mutex in nfs_getattr() to freeze applications writes temporarily so the client can more quickly obtain clean values for a file's size, mtime, and ctime. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Nit: Eliminate some mixed sign comparisons in loop indices. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Clean up: prevent length underflow and mixed sign comparison when unmarshalling NFS version 4 getacl, readdir, and readlink replies. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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