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2012-01-04[CIFS] default ntlmv2 for cifs mount delayed to 3.3Steve French
Turned out the ntlmv2 (default security authentication) upgrade was harder to test than expected, and we ran out of time to test against Apple and a few other servers that we wanted to. Delay upgrade of default security from ntlm to ntlmv2 (on mount) to 3.3. Still works fine to specify it explicitly via "sec=ntlmv2" so this should be fine. Acked-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-01-04Kconfig: acpi: Fix typo in comment.Justin P. Mattock
The below fixes a typo I found in a comment. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-01-04Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into ↵Russell King
devel-stable
2012-01-03IB/cm: Fix layout of APR messageEli Cohen
Add a missing 16-bit reserved field between ap_status and info fields. Signed-off-by: Eli Cohen <eli@mellanox.com> Acked-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-01-03IB/mlx4: Fix SL to 802.1Q priority-bits mapping for IBoEOr Gerlitz
For IBoE, SLs 0-7 are mapped to Ethernet 802.1Q user priority bits (pbits) which are part of the VLAN tag, SLs 8-15 are reserved. Under Ethernet, the ConnectX firmware treats (decode/encode) the four bit SL field in various constructs such as QPC / UD WQE / CQE as PPP0 and not as 0PPP. This correlates well to the fact that within the vlan tag the pbits are located in bits 15-13 and not 12-14. The current code wasn't consistent around that area - the encoding was correct for the IBoE QPC.path.schedule_queue field, but was wrong for IBoE CQEs and when MLX header was built. These inconsistencies resulted in wrong SL <--> wire 802.1Q pbits mapping, which is fixed by using SL <--> PPP0 all around the place. Signed-off-by: Oren Duer <oren@mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-01-03IB/qib: Default some module parameters optimallyMike Marciniszyn
Minimize the need for users to have to set module parameters to get good performance. The following two parameters are changed: - rcvhdrcnt to twice the rcvegrcnt - pcie_caps=0x51 The rcvhdrcnt at twice the egrcount allows the preemptive NAK code during reception to function in 100% of the cases rather than a sender jiffies-based timeout. The pcie_caps default of 0x51 will set the proposed MaxPayload and MaxReceiveReqest to 256 and 4096 respectively. The capabilities on the root complex will be used to limit those values. Reviewed-by: Ram Vepa <ram.vepa@qlogic.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-01-03IB/qib: Optimize locking for get_txreq()Mike Marciniszyn
The current code locks the QP s_lock, followed by the pending_lock, I guess to to protect against the allocate failing. This patch only locks the pending_lock, assuming that the empty case is an exeception, in which case the pending_lock is dropped, and the original code is executed. This will save a lock of s_lock in the normal case. The observation is that the sdma descriptors will deplete at twice the rate of txreq's, so this should be rare. Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-01-03IB/qib: Fix a possible data corruption when receiving packetsRam Vepa
Prevent a receive data corruption by ensuring that the write to update the rcvhdrheadn register to generate an interrupt is at the very end of the receive processing. Signed-off-by: Ramkrishna Vepa <ram.vepa@qlogic.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Cc: <stable@kernel.org> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-01-03IB/qib: Eliminate 64-bit jiffies useMike Marciniszyn
The qib driver makes use of the the 64-bit jiffies API. Code inspection reveals that that version of the API is not really required. This patch converts to use the "normal" jiffies. Reviewed-by: Ram Vepa <ram.vepa@qlogic.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-01-03IB/qib: Fix style issuesMike Marciniszyn
More style issues revealed with checkpatch.pl -f. Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-01-03ext4: add a new function which adds a flex group to a fsYongqiang Yang
This patch adds a new function named ext4_flex_group_add() which adds a flex group to a fs. The function is used by 64bit-resize interface. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-01-03ext4: add a new function which allocates bitmaps and inode tablesYongqiang Yang
This patch adds a new function named ext4_allocates_group_table() which allocates block bitmaps, inode bitmaps and inode tables for a flex groups and is used by resize code. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-01-03ext4: pass verify_reserved_gdb() the number of group decriptorsYongqiang Yang
The 64bit resizer adds a flex group each time, so verify_reserved_gdb can not use s_groups_count directly, it should use the number of group decriptors before the added group. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-01-03ext4: add a function which updates the super block during online resizingYongqiang Yang
This patch adds a function named ext4_update_super() which updates super block so the newly created block groups are visible to the file system. This code is copied from ext4_group_add(). The function will be used by new resize implementation. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-01-03ext4: add a function which sets up a block group descriptors of a flex bgYongqiang Yang
This patch adds a function named ext4_setup_new_descs which sets up the block group descriptors of a flex bg. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-01-03IB/uverbs: Protect QP multicast listEli Cohen
Userspace verbs multicast attach/detach operations on a QP are done while holding the rwsem of the QP for reading. That's not sufficient since a reader lock allows more than one reader to acquire the lock. However, multicast attach/detach does list manipulation that can corrupt the list if multiple threads run in parallel. Fix this by acquiring the rwsem as a writer to serialize attach/detach operations. Add idr_write_qp() and put_qp_write() to encapsulate this. This fixes oops seen when running applications that perform multicast joins/leaves. Reported by: Mike Dubman <miked@mellanox.com> Signed-off-by: Eli Cohen <eli@mellanox.com> Cc: <stable@kernel.org> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-01-03ext4: add a function which sets up group blocks of a flex bgYongqiang Yang
This patch adds a function named setup_new_flex_group_blocks() which sets up group blocks of a flex bg. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-01-03ext4: add a structure which will be used by 64bit-resize interfaceYongqiang Yang
This patch adds a structure which will be used by 64bit-resize interface. Two functions which allocate and destroy the structure respectively are added. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-01-03ext4: add a function which adds a new group descriptors to a fsYongqiang Yang
This patch adds a function named ext4_add_new_descs() which adds one or more new group descriptors to a fs and whose code is copied from ext4_group_add(). The function will be used by new resize implementation. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-01-03ext4: add a function which extends a group without checking parametersYongqiang Yang
This patch added a function named ext4_group_extend_no_check() whose code is copied from ext4_group_extend(). ext4_group_extend_no_check() assumes the parameter is valid and has been checked by caller. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-01-03vfs: trim includes a bitAl Viro
[folded fix for missing magic.h from Tetsuo Handa] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03switch mnt_namespace ->root to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: take /proc/*/mounts and friends to fs/proc_namespace.cAl Viro
rationale: that stuff is far tighter bound to fs/namespace.c than to the guts of procfs proper. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: opencode mntget() mnt_set_mountpoint()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - remaining argument of next_mnt()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: move fsnotify junk to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: move mnt_devnameAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: move mnt_list to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: switch pnode.h macros to struct mount *Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: move the rest of int fields to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: mnt_id/mnt_group_id movedAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: mnt_ns moved to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - mntput_no_expireAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - do_add_mount and graft_treeAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: take mnt_share/mnt_slave/mnt_slave_list and mnt_expire to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: and now we can make ->mnt_master point to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: take mnt_master to struct mountAl Viro
make IS_MNT_SLAVE take struct mount * at the same time Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - remaining argument of mnt_set_mountpoint()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - propagate_mnt()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - shared subtree iteratorsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - get_dominating_id / do_make_slaveAl Viro
next pile of horrors, similar to mnt_parent one; this time it's mnt_master. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: take mnt_child/mnt_mounts to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: all counters taken to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - work with countersAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: move mnt_mountpoint to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: now it can be done - make mnt_parent point to struct mountAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: mnt_parent moved to struct mountAl Viro
the second victim... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - is_path_reachableAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - mnt_has_parentAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - do_umount/propagate_mount_busyAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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