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2012-01-06ore: fix BUG_ON, too few sgs when readingBoaz Harrosh2-2/+6
When reading RAID5 files, in rare cases, we calculated too few sg segments. There should be two extra for the beginning and end partial units. Also "too few sg segments" should not be a BUG_ON there is all the mechanics in place to handle it, as a short read. So just return -ENOMEM and the rest of the code will gracefully split the IO. [Bug in 3.2.0 Kernel] CC: Stable Tree <stable@kernel.org> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
2012-01-06ore: Fix crash in case of an IO error.Boaz Harrosh1-3/+3
The users of ore_check_io() expect the reported device (In case of error) to be indexed relative to the passed-in ore_components table, and not the logical dev index. This causes a crash inside objlayoutdriver in case of an IO error. [Bug in 3.2.0 Kernel] CC: Stable Tree <stable@kernel.org> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
2012-01-06ore: FIX breakage when MISC_FILESYSTEMS is not setBoaz Harrosh3-11/+14
As Reported by Randy Dunlap When MISC_FILESYSTEMS is not enabled and NFS4.1 is: fs/built-in.o: In function `objio_alloc_io_state': objio_osd.c:(.text+0xcb525): undefined reference to `ore_get_rw_state' fs/built-in.o: In function `_write_done': objio_osd.c:(.text+0xcb58d): undefined reference to `ore_check_io' fs/built-in.o: In function `_read_done': ... When MISC_FILESYSTEMS, which is more of a GUI thing then anything else, is not selected. exofs/Kconfig is never examined during Kconfig, and it can not do it's magic stuff to automatically select everything needed. We must split exofs/Kconfig in two. The ore one is always included. And the exofs one is left in it's old place in the menu. [Needed for the 3.2.0 Kernel] CC: Stable Tree <stable@kernel.org> Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
2012-01-05vfs: fix up ENOIOCTLCMD error handlingLinus Torvalds2-37/+3
We're doing some odd things there, which already messes up various users (see the net/socket.c code that this removes), and it was going to add yet more crud to the block layer because of the incorrect error code translation. ENOIOCTLCMD is not an error return that should be returned to user mode from the "ioctl()" system call, but it should *not* be translated as EINVAL ("Invalid argument"). It should be translated as ENOTTY ("Inappropriate ioctl for device"). That EINVAL confusion has apparently so permeated some code that the block layer actually checks for it, which is sad. We continue to do so for now, but add a big comment about how wrong that is, and we should remove it entirely eventually. In the meantime, this tries to keep the changes localized to just the EINVAL -> ENOTTY fix, and removing code that makes it harder to do the right thing. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2-19/+19
2012-01-04minixfs: misplaced checks lead to dentry leakAl Viro1-17/+17
bitmap size sanity checks should be done *before* allocating ->s_root; there their cleanup on failure would be correct. As it is, we do iput() on root inode, but leak the root dentry... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Josh Boyer <jwboyer@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-04[CIFS] default ntlmv2 for cifs mount delayed to 3.3Steve French1-1/+1
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>
2012-01-03vfs: trim includes a bitAl Viro2-20/+6
[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 Viro2-7/+7
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: take /proc/*/mounts and friends to fs/proc_namespace.cAl Viro5-325/+364
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 Viro1-1/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - remaining argument of next_mnt()Al Viro1-17/+18
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: move fsnotify junk to struct mountAl Viro5-37/+47
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: move mnt_devnameAl Viro2-10/+11
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: move mnt_list to struct mountAl Viro2-24/+26
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: switch pnode.h macros to struct mount *Al Viro3-29/+29
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: move the rest of int fields to struct mountAl Viro3-16/+21
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: mnt_id/mnt_group_id movedAl Viro4-18/+22
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: mnt_ns moved to struct mountAl Viro4-28/+30
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - mntput_no_expireAl Viro1-6/+7
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - do_add_mount and graft_treeAl Viro1-11/+11
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 Viro3-36/+41
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: and now we can make ->mnt_master point to struct mountAl Viro3-12/+12
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: take mnt_master to struct mountAl Viro3-18/+20
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 Viro3-6/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - propagate_mnt()Al Viro3-13/+13
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - shared subtree iteratorsAl Viro1-50/+47
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - get_dominating_id / do_make_slaveAl Viro3-31/+31
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 Viro3-24/+26
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: all counters taken to struct mountAl Viro2-20/+32
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - work with countersAl Viro3-62/+66
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: move mnt_mountpoint to struct mountAl Viro5-23/+23
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 Viro5-50/+53
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: mnt_parent moved to struct mountAl Viro5-28/+30
the second victim... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - is_path_reachableAl Viro3-13/+13
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - mnt_has_parentAl Viro3-12/+13
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - do_umount/propagate_mount_busyAl Viro3-23/+23
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount mnt_set_mountpoint child argumentAl Viro3-7/+7
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - clone_mnt/copy_tree argumentAl Viro3-32/+35
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - shrink_submounts/select_submountsAl Viro1-14/+14
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - umount_tree argumentAl Viro3-20/+20
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: the first spoils - mnt_hash movedAl Viro3-17/+18
taken out of struct vfsmount into struct mount Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount to remaining users of ->mnt_hashAl Viro1-13/+13
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - clone_mnt/copy_tree resultAl Viro3-26/+30
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - change_mnt_propagation/set_mnt_sharedAl Viro3-14/+14
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - alloc_vfsmnt/free_vfsmnt/mnt_alloc_id/mnt_free_idAl Viro1-41/+40
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - tree_contains_unbindableAl Viro1-3/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - attach_recursive_mntAl Viro1-11/+14
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - mount group id handlingAl Viro3-20/+20
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-03vfs: spread struct mount - commit_treeAl Viro1-9/+9
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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