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* Pointer arithmetic bug: p is in word units. This fixes a memory
corruption with big acls.
* Initialize pg_class to prevent a NULL pointer access.
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Initialize the inode cache values correctly.
Clean up __nfs3_forget_cached_acls()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Attach acls to inodes in the icache to avoid unnecessary GETACL RPC
round-trips. As long as the client doesn't retrieve any acls itself, only the
default acls of exiting directories and the default and access acls of new
directories will end up in the cache, which preserves some memory compared to
always caching the access and default acl of all files.
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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NFSv3 has no concept of a umask on the server side: The client applies
the umask locally, and sends the effective permissions to the server.
This behavior is wrong when files are created in a directory that has a
default ACL. In this case, the umask is supposed to be ignored, and
only the default ACL determines the file's effective permissions.
Usually its the server's task to conditionally apply the umask. But
since the server knows nothing about the umask, we have to do it on the
client side. This patch tries to fetch the parent directory's default
ACL before creating a new file, computes the appropriate create mode to
send to the server, and finally sets the new file's access and default
acl appropriately.
Many thanks to Buck Huppmann <buchk@pobox.com> for sending the initial
version of this patch, as well as for arguing why we need this change.
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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This adds acl support fo nfs clients via the NFSACL protocol extension, by
implementing the getxattr, listxattr, setxattr, and removexattr iops for the
system.posix_acl_access and system.posix_acl_default attributes. This patch
implements a dumb version that uses no caching (and thus adds some overhead).
(Another patch in this patchset adds caching as well.)
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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This adds functions for encoding and decoding POSIX ACLs for the NFSACL
protocol extension, and the GETACL and SETACL RPCs. The implementation is
compatible with NFSACL in Solaris.
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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single port
The NFS and NFSACL programs run on the same RPC transport. This patch adds
support for this by converting svc_program into a chained list of programs
(server-side).
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Add the missing NFS3ERR_NOTSUPP error code (defined in NFSv3) to the
system-to-protocol-error table in nfsd. The nfsacl extension uses this error
code.
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Currently we return -ENOMEM for every single failure to create a new auth.
This is actually accurate for auth_null and auth_unix, but for auth_gss it's a
bit confusing.
Allow rpcauth_create (and the ->create methods) to return errors. With this
patch, the user may sometimes see an EINVAL instead. Whee.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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We shouldn't be silently falling back from krb5p to krb5i.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Add nfs4_acl field to the nfs_inode, and use it to cache acls. Only cache
acls of size up to a page. Also prepare for up to a page of acl data even
when the user doesn't pass in a buffer, as when they want to get the acl
length to decide what size buffer to allocate.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Client-side write support for NFSv4 ACLs.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Client-side support for NFSv4 acls: xdr encoding and decoding routines for
writing acls
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Client-side support for NFSv4 ACLs. Exports the raw xdr code via the
system.nfs4_acl extended attribute. It is up to userspace to decode the acl
(and to provide correctly xdr'd acls on setxattr), and to convert to/from
POSIX ACLs if desired.
This patch provides only the read support.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Client-side support for NFSv4 acls: xdr encoding and decoding routines for
reading acls
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Make nfs4 fattr size calculations more explicit, revising them downward a
bit in the process.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Add {get,set,list}xattr methods for nfs4. The new methods are no-ops, to be
used by subsequent ACL patch.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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ACL support will require supporting additional inode operations in v4
(getxattr, setxattr, listxattr). This patch allows different protocol versions
to support different inode operations by adding a file_inode_ops to the
nfs_rpc_ops (to match the existing dir_inode_ops).
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Remove the wait queue, and replace the functions that depended on it
with wait_on_bit().
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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- Move NFSv4 state definitions into a private header file.
- Clean up gunk in nfs_fs.h
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Ensure that we fix up the missing fields in the nfs_mount_data with
sane defaults for older versions of mount, and return errors in the
cases where we cannot.
Convert a bunch of annoying warnings into dprintks()
Return -EPROTONOSUPPORT rather than EIO if mount() tries to set NFSv3
without it actually being compiled in.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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support
Ensure that we don't create an RPC client without checking that the server
does indeed support the RPC program + version that we are trying to set up.
This enables us to immediately return an error to "mount" if it turns out
that the server is only supporting NFSv2, when we requested NFSv3 or NFSv4.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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This saves us a couple of lines of cleanup code for each call.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Fix up call_header() so that it calls xdr_adjust_iovec().
Fix calculation of the scratch buffer length in xdr_init_encode().
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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If the task->tk_exit() wants to restart the RPC call after delaying
then the current RPC code will clobber the timer by calling
rpc_delete_timer() immediately after re-entering the loop in
__rpc_execute().
Problem noticed by Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Kconfig option had an extra double quote at the end of the line
which was causing in warning when building.
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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EMU10K1/EMU10K2 driver
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
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VIA82xx driver
Added dxs_support entry for Soltek SL-K8Tpro-939.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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HDA Codec driver
Adds SPDIF in/out support to the SigmaTel HDA codecs. Now builds
the input mux control element names from the defcfg regs.
Signed-off-by: Matt <matt@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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VIA82xx driver
Fixed the info text about dxs_support option (suggest dxs_support=5).
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Documentation,HDA Codec driver,HDA generic driver,HDA Intel driver
- Fix some invalid configurations, typos in the last patch
- Make init_verbs chainable, so that different configs can share the same
init_verbs
- Reorder and clean up the source codes in patch_realtek.c
- Add the pin default configuration parser, used commonly in cmedia
and realtek patch codes.
- Add 'auto' model to ALC880 for auto-configuration from BIOS
Use this model as default, and 3-stack as fallback
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Control Midlevel
Add const prefix to snd_kcontrol_new_t pointer for better protection.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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HDA Codec driver,HDA Intel driver
Merged the work of pshou <pshou@realtek.com.tw> for the support of
more models with ALC codecs: ALC880 ASUS, Uniwill, FSC1734, generic 6-stack,
and ALC260 HP. Tests with the real hardwares are appreciated.
The codec patch is cleaned up: The preset configuration of codecs are
stored in the table and copied to the spec instance.
Added/fixed comments.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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HDA Codec driver
Allow sub_device=0 in board config check. This means that every device
with the given sub vendor ID will match.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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HDA Codec driver
Clean up and fix ALC-codec support code.
The last addition of bound volume is fixed now to handle correctly
the bound 'mute switches'. The analog loopback should work better.
The init verbs are fixed together with this change.
The numbers are replaced with macros for better readability.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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HDA Codec driver
Feed front signals to all surround channels if no data is given
for surround channels.
It seems that CLFE works as expected (only center outputs) even if
connected from the front line - at least on my test system.
If this change causes problems on other system (e.g. only the left
channel is transferred to the center channel), please let me know...
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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HDA generic driver
Print all AMP IN values when multiple nodes are connected.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Trident driver
Disable MPU401 support on SIS7018 since it results in kernel freeze.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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HDA Codec driver
Fix the analog loopback volumes of ALC codecs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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