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Continue implementation of cifs umount begin to allow force unmounts of
cifs mounts.
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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illegal RFC1001 length (which had caused the lock to block forever
until killed).
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Signed-off-by: Steve French (sfrench@us.ibm.com)
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ever longer amounts (up to 15 seconds). This improves performance
especially when using large wsize.
Signed-off-by: Steve French (sfrench@us.ibm.com)
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These changes to debug code and new stats are helpful in
debugging potential tcp performance/configuration problems under cifs.
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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This allows cifs_writepages to send data in larger chunks from the page
cache, without requiring larger memory allocations in other cases.
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Dave Kleikamp <shaggy@austin.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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Signed-off-by: Steve French (sfrench@us.ibm.com)
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eliminate the double copy, and improve cifs write performance and
help the server by upping the typical write size from 4K to 16K
(or even larger if wsize set explicitly) for servers which support this.
Part 1 of 2
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Most important of these fixes mapchars on bigendian and a few statfs fields
Signed-off-by: Shaggy (shaggy@austin.ibm.com)
Signed-off-by: Steve French (sfrench@us.ibm.com)
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functional, and the length check is fixed so readdir does not throw a
warning message when windows me messes up the response to FindFirst
of an empty dir (with only . and ..).
Signed-off-by: Steve French (sfrench@us.ibm.com)
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ME, and do not set ctime unless explicitly requested with atime and/or
mtime (it gets thrown away by most servers anyway as there is no way to set
this via posix).
Signed-off-by: Steve French (sfrench@us.ibm.com)
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begin implementation of Win9x style set file size via open then
write of zero bytes.
Signed-off-by: Steve French (sfrench@us.ibm.com)
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we do not request more than negotiated buffer size even if buffer
size is small (smaller than one page)
Signed-off-by: Steve French (sfrench@us.ibm.com)
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buffer, and this is followed by a rewind search to just before
the deleted entry.
Signed-off-by: Steve French (sfrench@us.ibm.com)
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Fix some compiler warnings noticed on x64 by me and ppc64 by Shaggy
Signed-off-by: Steve French (sfrench@us.ibm.com)
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have been requested.
Signed-off-by: Steve French (sfrench@us.ibm.com)
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Handle small negotiated read sizes (under 4K) and finish up
read and write support.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Fix WriteX support for old servers which do not support large
files.
Signed-off-by: Steve French <sfrench@us.ibm.com>
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locks remotely.
Signed-off-by: Steve French (sfrench@us.ibm.com)
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cifsd had been preventing software suspend from completing.
Signed-off-by: pavel@suse.de
Signed-off-by: Steve French <sfrench@us.ibm.com> lightly modified
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fs/cifs/CHANGES | 3 ++-
fs/cifs/cifsfs.c | 4 ++++
fs/cifs/connect.c | 2 ++
3 files changed, 8 insertions(+), 1 deletions(-)
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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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The recent change to locks_remove_flock code in fs/locks.c changes how
byte range locks are removed from closing files, which shows up a bug in
cifs.
The assumption in the cifs code was that the close call sent to the
server would remove any pending locks on the server on this file, but
that is no longer safe as the fs/locks.c code on the client wants unlock
of 0 to PATH_MAX to remove all locks (at least from this client, it is
not possible AFAIK to remove all locks from other clients made to the
server copy of the file).
Note that cifs locks are different from posix locks - and it is not
possible to map posix locks perfectly on the wire yet, due to
restrictions of the cifs network protocol, even to Samba without adding
a new request type to the network protocol (which we plan to do for
Samba 3.0.21 within a few months), but the local client will have the
correct, posix view, of the lock in most cases.
The correct fix for cifs for this would involve a bigger change than I
would like to do this late in the 2.6.13-rc cycle - and would involve
cifs keeping track of all unmerged (uncoalesced) byte range locks for
each remote inode and scanning that list to remove locks that intersect
or fall wholly within the range - locks that intersect may have to be
reaquired with the smaller, remaining range.
Signed-off-by: Steve French <sfrench@us.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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of Read support.
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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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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Signed-off-by: Asser Ferno <asser@diku.dk>
Signed-off-by: Steve French <sfrench@us.ibm.com> and lightly modified
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(Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
also should have been listed on the last cifs patch fixing some lookup
intent handling in cifs)
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Make cifs_stats code conditional in the header files to avoid ifdefs in the
main code.
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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legacy getattr (lookup).
Signed-off-by: Steve French (sfrench@us.ibm.com)
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allows specifying an RFC1001 target "called" name (netbios name of the
server, which can now be pecified as mount option "servernetbiosname"
but will eventually be passed in automatically on retry of host down
error messages caused when server refuses to handle default server
name and can not handle port 445). This is an important step, but
additional testing and fixup is needed to add remaining function needed
for these.
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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missing. Most importantly SMB reads were undercounted.
Signed-off-by: Steve French (sfrench@us.ibm.com)
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This bug could cause oopses and page state corruption, because ncpfs
used the generic page-cache symlink handlign functions. But those
functions only work if the page cache is guaranteed to be "stable", ie a
page that was installed when the symlink walk was started has to still
be installed in the page cache at the end of the walk.
We could have fixed ncpfs to not use the generic helper routines, but it
is in many ways much cleaner to instead improve on the symlink walking
helper routines so that they don't require that absolute stability.
We do this by allowing "follow_link()" to return a error-pointer as a
cookie, which is fed back to the cleanup "put_link()" routine. This
also simplifies NFS symlink handling.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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name matching.
Signed-off-by: Steve French (sfrench@us.ibm.com)
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over the wire (to help the case when applications break with cifs mandatory
lock behavior. Add part one of mount option for requesting case
insensitive path name matching.
Signed-off-by: Steve French (sfrench@us.ibm.com)
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notify responses.
Signed-off-by: Asser Ferno <asser@diku.dk>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Signed-off-by: Shaggy (shaggy@austin.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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Signed-off-by: Steve French
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Fix path name conversion for long filenames when mapchars mount option
was specified at mount time.
Signed-off-by: Steve French (sfrench@us.ibm.com)
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Fix missing entries in search results when very long file names and more
than 50 (or so) of such long search entries in the directory.
FindNext could send corrupt last byte of resume name when resume key was
a few hundred bytes long file name or longer.
Fixes Samba Bug # 2932
Signed-off-by: Steve French (sfrench@us.ibm.com)
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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