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hes-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
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If a server supports unix extensions but does not support POSIX create
routines, then the client will create a new inode with a standard SMB
mkdir or create/open call and then will set the mode. When it does this,
it does not take the setgid bit on the parent directory into account.
This patch has CIFS flip on the setgid bit when the parent directory has
it. If the share is mounted with "setuids" then also change the group
owner to the gid of the parent.
This patch should apply cleanly on top of the setattr cleanup patches
that I sent a few weeks ago.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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We'd like to be able to use the unix SET_PATH_INFO_BASIC args to set
file times as well, but that makes the argument list rather long. Bundle
up the args for unix SET_PATH_INFO call into a struct. For now, we don't
actually use the times fields anywhere. That will be done in a follow-on
patch.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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without unix extensions
When CIFS creates a new inode on a mount without unix extensions, it
temporarily assigns the mode that was passed to it in the create/mkdir
call. Eventually, when the inode is revalidated, it changes to have the
file_mode or dir_mode for the mount. This is confusing to users who
expect that the mode shouldn't change this way. It's also problematic
since only the mode is treated this way, not the uid or gid. Suppose you
have a CIFS mount that's mounted with:
uid=0,gid=0,file_mode=0666,dir_mode=0777
...if an unprivileged user comes along and does this on the mount:
mkdir -m 0700 foo
touch foo/bar
...there is a period of time where the touch will fail, since the dir
will initially be owned by root and have mode 0700. If the user waits
long enough, then "foo" will be revalidated and will get the correct
dir_mode permissions.
This patch changes cifs_mkdir and cifs_create to not overwrite the
mode found by the initial cifs_get_inode_info call after the inode is
created on the server. Legacy behavior can be reenabled with the
new "dynperm" mount option.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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fs/cifs/dir.c: In function 'cifs_ci_compare':
fs/cifs/dir.c:582: warning: passing argument 1 of 'memcpy' discards
qualifiers from pointer target type
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Some versions of Samba (3.2-pre e.g.) are stricter about checking to make sure that
paths in DFS name spaces are sent in the form \\server\share\dir\subdir ...
instead of \dir\subdir
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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create and mkdir
When creating a directory on a CIFS share without POSIX extensions,
and the given mode has no write bits set, set the ATTR_READONLY bit.
When creating a file, set ATTR_READONLY if the create mode has no write
bits set and we're not using unix extensions.
There are some comments about this being problematic due to the VFS
splitting creates into 2 parts. I'm not sure what that's actually
talking about, but I'm assuming that it has something to do with how
mknod is implemented. In the simple case where we have no unix
extensions and we're just creating a regular file, there's no reason
we can't set ATTR_READONLY.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Shirish Pargaonkar noted:
With cifsacl mount option, when a file is created on the Windows server,
exclusive oplock is broken right away because the get cifs acl code
again opens the file to obtain security descriptor.
The client does not have the newly created file handle or inode in any
of its lists yet so it does not respond to oplock break and server waits for
its duration and then responds to the second open. This slows down file
creation signficantly. The fix is to pass the file descriptor to the get
cifsacl code wherever available so that get cifs acl code does not send
second open (NT Create ANDX) and oplock is not broken.
CC: Shirish Pargaonkar <shirishp@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Andi Kleen noticed that we were logging access denied errors (which is
noisy in the dmesg log, and not needed to be logged) and that we were
logging path names on that an other errors (e.g. EIO) which we should
not be doing.
CC: Andi Kleen <ak@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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CC: Shirish Pargaonkar <shirishp@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Also fixes typo which could cause build break
Signed-off-by: Steve French <sfrench@us.ibm.com>
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This allows cifs to mount to ipc shares (IPC$)
which will allow user space applications to
layer over authenticated cifs connections
(useful for Wine and others that would want
to put DCE/RPC over CIFS or run CIFS named
pipes)
Acked-by: Rob Shearman <rob@codeweavers.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Previously the only way to do this was to umount all mounts to that server,
turn off a proc setting (/proc/fs/cifs/LinuxExtensionsEnabled).
Fixes Samba bugzilla bug number: 4582 (and also 2008)
Signed-off-by: Steve French <sfrench@us.ibm.com>
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nfsd is passing null nameidata (probably the only one doing that)
on call to create - cifs was missing one check for this.
Note that running nfsd over a cifs mount requires specifying fsid on
the nfs exports entry and requires mounting cifs with serverino mount
option.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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More than halfway there
Signed-off-by: Steve French <sfrench@us.ibm.com>
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This patch makes CIFS honour a process' umask like other filesystems.
Of course the server is still free to munge the permissions if it wants
to; but the client will send the "right" permissions to begin with.
A few caveats:
1) It only applies to filesystems that have CAP_UNIX (aka support unix
extensions)
2) It applies the correct mode to the follow up CIFSSMBUnixSetPerms()
after remote creation
When mode to CIFS/NTFS ACL mapping is complete we can do the
same thing for that case for servers which do not
support the Unix Extensions.
Signed-off-by: Matt Keenen <matt@opcode-solutions.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Various coding style problems found by running the new
checkpatch.pl script against fs/cifs. 3 more files
fixed up.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Various coding style problems found by running fs/cifs
against the new checkpatch.pl script. Since there
were too many to fit in one patch. Updated the first
four files.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Originally at http://lkml.org/lkml/2006/9/2/86
The recent change to "allow Windows blocking locks to be cancelled via a
CANCEL_LOCK call" introduced a new semaphore in struct cifsFileInfo,
lock_sem. However, semaphores used as mutexes are deprecated these days,
and there's no reason to add a new one to the kernel. Therefore, convert
lock_sem to a struct mutex (and also fix one indentation glitch on one of
the lines changed anyway).
Signed-off-by: Roland Dreier <roland@digitalvampire.org>
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Samba bugzilla #4040
Signed-off-by: Steve French <sfrench@us.ibm.com>
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new POSIX locking code
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Fixes oops to OS/2 on ls and removes redundant NTCreateX calls to servers
which do not support NT SMBs. Key operations to OS/2 work.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Unless Posix paths have been negotiated, the backslash, "\", is not a valid
character in a path component.
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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building of full path) to avoid hang rename/readdir hang
Reported by Alan Tyson
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Al Viro <viro@ftp.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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kmalloc/memset to simpler kzalloc usage
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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assembling smb requests when setuids and Linux protocol extensions enabled
and in checking more matching sessions in multiuser mount mode.
Pointed out by Shaggy.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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disabled. Also set mode, uid, gid better on mkdir and create for the
case when Unix Extensions is not enabled and setuids is enabled. This is
necessary to fix the hole in which chown could be allowed for non-root
users in some cases if root mounted, and also to display the mode and uid
properly in some cases.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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fix cifs negative dentries so they are freed faster (not requiring
umount or readdir e.g.) so the client recognizes the new file on
the server more quickly.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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cifs_create() did totally the wrong thing with nd->intent.open.flags:
it interpreted nd->intent.open.flags as the original open flags, not
the one transformed for open_namei(). Also it used the intent data
even if it was not filled in (if called from sys_mknod()).
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: <viro@parcelfarce.linux.theplanet.co.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Steven French <sfrench@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This argument was added in a recent patch, but is unnecessary, since
the superblock is easily obtained from the dentry.
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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of Read support.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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will eventually (or should eventually) be common code for jfs, smbfs,
etc. but in the meantime is small enough and necessary when mounting
case insensitive to Windows (nocase).
Signed-off-by: Shaggy (shaggy@austin.ibm.com)
Signed-off-by: Steve French (sfrench@us.ibm.com)
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redundant null pointer checks before cifs_buf_release.
Found by coverity analyzer.
Signed-off-by: Steve French (sfrench@us.ibm.com)
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Creating FIFOs to non-Unix servers (with cifs mounts for which sfu option
was specified) now works.
Signed-off-by: Steve French (sfrench@us.ibm.com)
Thanks to Martin Koeppe for his assistance
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This should help the case of creating fifos and other special files to
servers which do not support the Unix extensions.
Signed-off-by: Steve French (sfrench@us.ibm.com)
Thanks to Martin Koeppe for his suggestions and good analysis
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Signed-off-by: Steve French@sfrench@us.ibm.com
Signed-off-by: Jeremy Allison (jra@samba.org)
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existing,
newly created, file.
Samba bugzilla: 2697
Signed-off-by: Steve French (sfrench@us.ibm.com)
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Signed-off-by: Steve French (sfrench@us.ibm.com)
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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source formatting
Mostly suggested by Jesper Juhl
Signed-off-by: Steve French (sfrench@us.ibm.com)
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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