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* Introduce path_put()Jan Blunck2008-02-141-2/+2
| | | | | | | | | | | | | | | | | | | * Add path_put() functions for releasing a reference to the dentry and vfsmount of a struct path in the right order * Switch from path_release(nd) to path_put(&nd->path) * Rename dput_path() to path_put_conditional() [akpm@linux-foundation.org: fix cifs] Signed-off-by: Jan Blunck <jblunck@suse.de> Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Acked-by: Christoph Hellwig <hch@lst.de> Cc: <linux-fsdevel@vger.kernel.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Steven French <sfrench@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Embed a struct path into struct nameidata instead of nd->{dentry,mnt}Jan Blunck2008-02-141-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the central patch of a cleanup series. In most cases there is no good reason why someone would want to use a dentry for itself. This series reflects that fact and embeds a struct path into nameidata. Together with the other patches of this series - it enforced the correct order of getting/releasing the reference count on <dentry,vfsmount> pairs - it prepares the VFS for stacking support since it is essential to have a struct path in every place where the stack can be traversed - it reduces the overall code size: without patch series: text data bss dec hex filename 5321639 858418 715768 6895825 6938d1 vmlinux with patch series: text data bss dec hex filename 5320026 858418 715768 6894212 693284 vmlinux This patch: Switch from nd->{dentry,mnt} to nd->path.{dentry,mnt} everywhere. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: fix cifs] [akpm@linux-foundation.org: fix smack] Signed-off-by: Jan Blunck <jblunck@suse.de> Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Acked-by: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* configfs: file.c fix possible recursive lockingJoonwoo Park2008-01-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | configfs_register_subsystem() with default_groups triggers recursive locking. it seems that mutex_lock_nested is needed. ============================================= [ INFO: possible recursive locking detected ] 2.6.24-rc6 #145 --------------------------------------------- swapper/1 is trying to acquire lock: (&sb->s_type->i_mutex_key#3){--..}, at: [<c40c9a9e>] configfs_add_file+0x2e/0x70 but task is already holding lock: (&sb->s_type->i_mutex_key#3){--..}, at: [<c40ca985>] configfs_register_subsystem+0x55/0x130 other info that might help us debug this: 1 lock held by swapper/1: #0: (&sb->s_type->i_mutex_key#3){--..}, at: [<c40ca985>] configfs_register_subsystem+0x55/0x130 stack backtrace: Pid: 1, comm: swapper Not tainted 2.6.24-rc6 #145 [<c40053ba>] show_trace_log_lvl+0x1a/0x30 [<c4005e82>] show_trace+0x12/0x20 [<c400687e>] dump_stack+0x6e/0x80 [<c404ec72>] __lock_acquire+0xe62/0x1120 [<c404efb2>] lock_acquire+0x82/0xa0 [<c43fda88>] mutex_lock_nested+0x98/0x2e0 [<c40c9a9e>] configfs_add_file+0x2e/0x70 [<c40c9b0c>] configfs_create_file+0x2c/0x40 [<c40ca639>] configfs_attach_item+0x139/0x220 [<c40ca734>] configfs_attach_group+0x14/0x140 [<c40ca7e9>] configfs_attach_group+0xc9/0x140 [<c40ca9f6>] configfs_register_subsystem+0xc6/0x130 [<c45c8186>] init_netconsole+0x2b6/0x300 [<c45a75f2>] kernel_init+0x142/0x320 [<c4004fb3>] kernel_thread_helper+0x7/0x14 ======================= Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* configfs: dir.c fix possible recursive lockingJoonwoo Park2008-01-251-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | configfs_register_subsystem() with default_groups triggers recursive locking. it seems that mutex_lock_nested is needed. ============================================= [ INFO: possible recursive locking detected ] 2.6.24-rc6 #141 --------------------------------------------- swapper/1 is trying to acquire lock: (&sb->s_type->i_mutex_key#3){--..}, at: [<c40ca76f>] configfs_attach_group+0x4f/0x190 but task is already holding lock: (&sb->s_type->i_mutex_key#3){--..}, at: [<c40ca9d5>] configfs_register_subsystem+0x55/0x130 other info that might help us debug this: 1 lock held by swapper/1: #0: (&sb->s_type->i_mutex_key#3){--..}, at: [<c40ca9d5>] configfs_register_subsystem+0x55/0x130 stack backtrace: Pid: 1, comm: swapper Not tainted 2.6.24-rc6 #141 [<c40053ba>] show_trace_log_lvl+0x1a/0x30 [<c4005e82>] show_trace+0x12/0x20 [<c400687e>] dump_stack+0x6e/0x80 [<c404ec72>] __lock_acquire+0xe62/0x1120 [<c404efb2>] lock_acquire+0x82/0xa0 [<c43fdad8>] mutex_lock_nested+0x98/0x2e0 [<c40ca76f>] configfs_attach_group+0x4f/0x190 [<c40caa46>] configfs_register_subsystem+0xc6/0x130 [<c45c8186>] init_netconsole+0x2b6/0x300 [<c45a75f2>] kernel_init+0x142/0x320 [<c4004fb3>] kernel_thread_helper+0x7/0x14 ======================= Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* Kobject: convert fs/* from kobject_unregister() to kobject_put()Greg Kroah-Hartman2008-01-241-3/+3
| | | | | | | | | | | There is no need for kobject_unregister() anymore, thanks to Kay's kobject cleanup changes, so replace all instances of it with kobject_put(). Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* kobject: convert kernel_kset to be a kobjectGreg Kroah-Hartman2008-01-241-1/+1
| | | | | | | | | | | | kernel_kset does not need to be a kset, but a much simpler kobject now that we have kobj_attributes. We also rename kernel_kset to kernel_kobj to catch all users of this symbol with a build error instead of an easy-to-ignore build warning. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* kset: convert kernel_subsys to use kset_createGreg Kroah-Hartman2008-01-241-1/+1
| | | | | | | | | | Dynamically create the kset instead of declaring it statically. We also rename kernel_subsys to kernel_kset to catch all users of this symbol with a build error instead of an easy-to-ignore build warning. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* kobject: convert configfs to use kobject_createGreg Kroah-Hartman2008-01-241-7/+6
| | | | | | | | | | We don't need a kset here, a simple kobject will do just fine, so dynamically create the kobject and use it. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* kobject: remove struct kobj_type from struct ksetGreg Kroah-Hartman2008-01-241-2/+2
| | | | | | | | | | | | | | | | | We don't need a "default" ktype for a kset. We should set this explicitly every time for each kset. This change is needed so that we can make ksets dynamic, and cleans up one of the odd, undocumented assumption that the kset/kobject/ktype model has. This patch is based on a lot of help from Kay Sievers. Nasty bug in the block code was found by Dave Young <hidave.darkstar@gmail.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* r/o bind mounts: filesystem helpers for custom 'struct file'sDave Hansen2007-10-171-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Why do we need r/o bind mounts? This feature allows a read-only view into a read-write filesystem. In the process of doing that, it also provides infrastructure for keeping track of the number of writers to any given mount. This has a number of uses. It allows chroots to have parts of filesystems writable. It will be useful for containers in the future because users may have root inside a container, but should not be allowed to write to somefilesystems. This also replaces patches that vserver has had out of the tree for several years. It allows security enhancement by making sure that parts of your filesystem read-only (such as when you don't trust your FTP server), when you don't want to have entire new filesystems mounted, or when you want atime selectively updated. I've been using the following script to test that the feature is working as desired. It takes a directory and makes a regular bind and a r/o bind mount of it. It then performs some normal filesystem operations on the three directories, including ones that are expected to fail, like creating a file on the r/o mount. This patch: Some filesystems forego the vfs and may_open() and create their own 'struct file's. This patch creates a couple of helper functions which can be used by these filesystems, and will provide a unified place which the r/o bind mount code may patch. Also, rename an existing, static-scope init_file() to a less generic name. Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mm: bdi init hooksPeter Zijlstra2007-10-173-0/+19
| | | | | | | | | provide BDI constructor/destructor hooks [akpm@linux-foundation.org: compile fix] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* implement simple fs aopsNick Piggin2007-10-161-2/+2
| | | | | | | | Implement new aops for some of the simpler filesystems. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mm: Remove slab destructors from kmem_cache_create().Paul Mundt2007-07-201-1/+1
| | | | | | | | | | | | | | Slab destructors were no longer supported after Christoph's c59def9f222d44bb7e2f0a559f2906191a0862d7 change. They've been BUGs for both slab and slub, and slob never supported them either. This rips out support for the dtor pointer from kmem_cache_create() completely and fixes up every single callsite in the kernel (there were about 224, not including the slab allocator definitions themselves, or the documentation references). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* configfs: config item dependancies.Joel Becker2007-07-102-3/+248
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sometimes other drivers depend on particular configfs items. For example, ocfs2 mounts depend on a heartbeat region item. If that region item is removed with rmdir(2), the ocfs2 mount must BUG or go readonly. Not happy. This provides two additional API calls: configfs_depend_item() and configfs_undepend_item(). A client driver can call configfs_depend_item() on an existing item to tell configfs that it is depended on. configfs will then return -EBUSY from rmdir(2) for that item. When the item is no longer depended on, the client driver calls configfs_undepend_item() on it. These API cannot be called underneath any configfs callbacks, as they will conflict. They can block and allocate. A client driver probably shouldn't calling them of its own gumption. Rather it should be providing an API that external subsystems call. How does this work? Imagine the ocfs2 mount process. When it mounts, it asks for a heart region item. This is done via a call into the heartbeat code. Inside the heartbeat code, the region item is looked up. Here, the heartbeat code calls configfs_depend_item(). If it succeeds, then heartbeat knows the region is safe to give to ocfs2. If it fails, it was being torn down anyway, and heartbeat can gracefully pass up an error. [ Fixed some bad whitespace in configfs.txt. --Mark ] Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* configfs: accessing item hierarchy during rmdir(2)Joel Becker2007-07-101-1/+28
| | | | | | | | | | | | | | | | Add a notification callback, ops->disconnect_notify(). It has the same prototype as ->drop_item(), but it will be called just before the item linkage is broken. This way, configfs users who want to do work while the object is still in the heirarchy have a chance. Client drivers will still need to config_item_put() in their ->drop_item(), if they implement it. They need do nothing in ->disconnect_notify(). They don't have to provide it if they don't care. But someone who wants to be notified before ci_parent is set to NULL can now be notified. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] configsfs buffer: use mutexJohannes Berg2007-07-101-7/+8
| | | | | | | | | Seems copied from sysfs, but I don't see a reason here nor there to use a semaphore instead of a mutex. Convert. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* configfs: Convert subsystem semaphore to mutexJoel Becker2007-07-101-8/+8
| | | | | | | | | | | | | | Convert the su_sem member of struct configfs_subsystem to a struct mutex, as that's what it is. Also convert all the users and update Documentation/configfs.txt and Documentation/configfs_example.c accordingly. [ Conflict in fs/dlm/config.c with commit 3168b0780d06ace875696f8a648d04d6089654e5 manually resolved. --Mark ] Inspired-by: Satyam Sharma <ssatyam@cse.iitk.ac.in> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] configfs+dlm: Rename config_group_find_obj and state semantics clearlySatyam Sharma2007-07-101-10/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Configfs being based upon sysfs code, config_group_find_obj() is probably so named because of the similar kset_find_obj() in sysfs. However, "kobject"s in sysfs become "config_item"s in configfs, so let's call it config_group_find_item() instead, for sake of uniformity, and make corresponding change in the users of this function. BTW a crucial difference between kset_find_obj and config_group_find_item is in locking expectations. kset_find_obj does its locking by itself, but config_group_find_item expects the *caller* to do the locking. The reason for this: kset's have their own locks, config_group's don't but instead rely on the subsystem mutex. And, subsystem needn't necessarily be around when config_group_find_item() is called. So let's state these locking semantics explicitly, and rectify the comment, otherwise bugs could continue to occur in future, as they did in the past (refer commit d82b8191e238 in gfs2-2.6-fixes.git). [ I also took the opportunity to fix some bad whitespace and double-empty lines. --Joel ] [ Conflict in fs/dlm/config.c with commit 3168b0780d06ace875696f8a648d04d6089654e5 manually resolved. --Mark ] Signed-off-by: Satyam Sharma <ssatyam@cse.iitk.ac.in> Cc: David Teigland <teigland@redhat.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* configfs: misc cleanupsSatyam Sharma2007-07-101-12/+3
| | | | | | | | | | | | | | | | | | | | | 1. item.c:config_item_cleanup() is a private function (only called by config_item_release() in same file). However, it is spuriously exported in include/linux/configfs.h, so remove that export and make it static in item.c. Also, it is no longer exported / interface function, so no need to give comment for this function (the comment was stating obvious thing, anyway). 2. Kernel-doc comment format does not allow empty line between end of comment and start of function (declaration line). There were several such spurious empty lines in item.c, so fix them. fs/configfs/item.c | 15 +++------------ include/linux/configfs.h | 1 - 2 files changed, 3 insertions(+), 13 deletions(-) Signed-off-by: Satyam Sharma <ssatyam@cse.iitk.ac.in> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* configfs: consistent attribute sizeJoel Becker2007-07-101-3/+10
| | | | | | | | | | | | | | | The attribute store/show code currently limits attributes at PAGE_SIZE. This code comes from sysfs, where it still works that way. However, PAGE_SIZE is not constant. A 16k attribute string works on ia64 but not on x86. Really a subsystem shouldn't allow different attribute sizes based on platform. As such, limit all simple attributes to 4k. This works on all platforms, and is consistent with all current code. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* Detach sched.h from mm.hAlexey Dobriyan2007-05-211-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | First thing mm.h does is including sched.h solely for can_do_mlock() inline function which has "current" dereference inside. By dealing with can_do_mlock() mm.h can be detached from sched.h which is good. See below, why. This patch a) removes unconditional inclusion of sched.h from mm.h b) makes can_do_mlock() normal function in mm/mlock.c c) exports can_do_mlock() to not break compilation d) adds sched.h inclusions back to files that were getting it indirectly. e) adds less bloated headers to some files (asm/signal.h, jiffies.h) that were getting them indirectly Net result is: a) mm.h users would get less code to open, read, preprocess, parse, ... if they don't need sched.h b) sched.h stops being dependency for significant number of files: on x86_64 allmodconfig touching sched.h results in recompile of 4083 files, after patch it's only 3744 (-8.3%). Cross-compile tested on all arm defconfigs, all mips defconfigs, all powerpc defconfigs, alpha alpha-up arm i386 i386-up i386-defconfig i386-allnoconfig ia64 ia64-up m68k mips parisc parisc-up powerpc powerpc-up s390 s390-up sparc sparc-up sparc64 sparc64-up um-x86_64 x86_64 x86_64-up x86_64-defconfig x86_64-allnoconfig as well as my two usual configs. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* use simple_read_from_buffer() in fs/Akinobu Mita2007-05-091-31/+2
| | | | | | | | | | Cleanup using simple_read_from_buffer() in binfmt_misc, configfs, and sysfs. Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Joel Becker <joel.becker@oracle.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* remove "struct subsystem" as it is no longer neededGreg Kroah-Hartman2007-05-021-1/+1
| | | | | | | | | | | We need to work on cleaning up the relationship between kobjects, ksets and ktypes. The removal of 'struct subsystem' is the first step of this, especially as it is not really needed at all. Thanks to Kay for fixing the bugs in this patch. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* configfs: add missing mutex_unlock()Joel Becker2007-03-141-15/+12
| | | | | | | | | | d_alloc() failure in configfs_register_subsystem() would fail to unlock the mutex taken above. Reorganize the exit path to ensure the unlock happens. Reported-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] Mark struct super_operations constJosef 'Jeff' Sipek2007-02-121-1/+1
| | | | | | | | | | | This patch is inspired by Arjan's "Patch series to mark struct file_operations and struct inode_operations const". Compile tested with gcc & sparse. Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] mark struct inode_operations const 1Arjan van de Ven2007-02-124-5/+5
| | | | | | | | | | | Many struct inode_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] Transform kmem_cache_alloc()+memset(0) -> kmem_cache_zalloc().Robert P. J. Day2007-02-111-2/+1
| | | | | | | | | | | | | | | | | | | | | | Replace appropriate pairs of "kmem_cache_alloc()" + "memset(0)" with the corresponding "kmem_cache_zalloc()" call. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@muc.de> Cc: Roland McGrath <roland@redhat.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Greg KH <greg@kroah.com> Acked-by: Joel Becker <Joel.Becker@oracle.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Jan Kara <jack@ucw.cz> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: James Morris <jmorris@namei.org> Cc: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* configfs: Zero terminate data in configfs attribute writes.Joel Becker2007-02-071-3/+6
| | | | | | | | | | | | | | Attributes in configfs are text files. As such, most handlers expect to be able to call functions like simple_strtoul() without checking the bounds of the buffer. Change the call to zero terminate the buffer before calling the client's ->store() method. This does reduce the attribute size from PAGE_SIZE to PAGE_SIZE-1. Also, change get_zeroed_page() to alloc_page(), as we are handling the termination. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] configfs: change uses of f_{dentry, vfsmnt} to use f_pathJosef "Jeff" Sipek2006-12-082-11/+11
| | | | | | | | | Change all the uses of f_{dentry,vfsmnt} to f_path.{dentry,mnt} in the configfs filesystem. Signed-off-by: Josef "Jeff" Sipek <jsipek@cs.sunysb.edu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] slab: remove kmem_cache_tChristoph Lameter2006-12-072-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace all uses of kmem_cache_t with struct kmem_cache. The patch was generated using the following script: #!/bin/sh # # Replace one string by another in all the kernel sources. # set -e for file in `find * -name "*.c" -o -name "*.h"|xargs grep -l $1`; do quilt add $file sed -e "1,\$s/$1/$2/g" $file >/tmp/$$ mv /tmp/$$ $file quilt refresh done The script was run like this sh replace kmem_cache_t "struct kmem_cache" Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* configfs: make configfs_dirent_exists() staticAdrian Bunk2006-12-011-2/+2
| | | | | | | | This patch makes the needlessly global configfs_dirent_exists() static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* configfs: mutex_lock_nested() fixMark Fasheh2006-12-011-2/+3
| | | | | | | configfs_unregister_subsystem() nests a pair of inode i_mutex acquisitions, and thus needs annotation via mutex_lock_nested(). Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* configfs: handle kzalloc() failure in check_perm()Chandra Seetharaman2006-10-201-6/+8
| | | | | | | | | check_perm() does not drop the reference to the module when kzalloc() failure occurs. Signed-Off-By: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6Linus Torvalds2006-10-041-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6: (292 commits) [GFS2] Fix endian bug for de_type [GFS2] Initialize SELinux extended attributes at inode creation time. [GFS2] Move logging code into log.c (mostly) [GFS2] Mark nlink cleared so VFS sees it happen [GFS2] Two redundant casts removed [GFS2] Remove uneeded endian conversion [GFS2] Remove duplicate sb reading code [GFS2] Mark metadata reads for blktrace [GFS2] Remove iflags.h, use FS_ [GFS2] Fix code style/indent in ops_file.c [GFS2] streamline-generic_file_-interfaces-and-filemap gfs fix [GFS2] Remove readv/writev methods and use aio_read/aio_write instead (gfs bits) [GFS2] inode-diet: Eliminate i_blksize from the inode structure [GFS2] inode_diet: Replace inode.u.generic_ip with inode.i_private (gfs) [GFS2] Fix typo in last patch [GFS2] Fix direct i/o logic in filemap.c [GFS2] Fix bug in Makefiles for lock modules [GFS2] Remove (extra) fs_subsys declaration [GFS2/DLM] Fix trailing whitespace [GFS2] Tidy up meta_io code ...
| * Merge branch 'master' into gfs2Steven Whitehouse2006-10-022-3/+3
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| * \ Merge branch 'master' into gfs2Steven Whitehouse2006-09-282-5/+2
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| * \ \ [GFS2] Fix up merge of Linus' kernel into GFS2Steven Whitehouse2006-09-251-2/+30
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes up a couple of conflicts when merging up with Linus' latest kernel. This will hopefully allow GFS2 to be more easily merged into forthcoming -mm and FC kernels due to the "one line per header" format now used for the kernel headers. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Conflicts: include/linux/Kbuild include/linux/kernel.h
| * \ \ \ Merge rsync://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6Steven Whitehouse2006-07-034-13/+11
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: include/linux/kernel.h
| * \ \ \ \ Merge branch 'master'Steven Whitehouse2006-05-251-41/+96
| |\ \ \ \ \
| * \ \ \ \ \ Merge branch 'master'Steven Whitehouse2006-04-211-1/+1
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| * \ \ \ \ \ \ Merge branch 'master'Steven Whitehouse2006-03-313-5/+5
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| * \ \ \ \ \ \ \ Merge branch 'master'Steven Whitehouse2006-02-236-40/+178
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| * | | | | | | | | [DLM] Export config_group_find_obj for use by the DLMDavid Teigland2006-01-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | | | | | | | | | [PATCH] pr_debug: configfs: use size_t length modifier in pr_debug format ↵Zach Brown2006-10-031-2/+2
| |_|_|_|_|_|_|_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | argument configfs: use size_t length modifier in pr_debug format argument Signed-off-by: Zach Brown <zach.brown@oracle.com> Acked-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | | | | | [PATCH] r/o bind mount prepwork: inc_nlink() helperDave Hansen2006-10-012-3/+3
| |_|_|_|_|_|_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is mostly included for parity with dec_nlink(), where we will have some more hooks. This one should stay pretty darn straightforward for now. Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Acked-by: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | | | | [PATCH] inode-diet: Eliminate i_blksize from the inode structureTheodore Ts'o2006-09-271-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This eliminates the i_blksize field from struct inode. Filesystems that want to provide a per-inode st_blksize can do so by providing their own getattr routine instead of using the generic_fillattr() function. Note that some filesystems were providing pretty much random (and incorrect) values for i_blksize. [bunk@stusta.de: cleanup] [akpm@osdl.org: generic_fillattr() fix] Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | | | | [PATCH] fs: Conversions from kmalloc+memset to k(z|c)allocPanagiotis Issaris2006-09-272-4/+2
| |_|_|_|_|_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conversions from kmalloc+memset to kzalloc. Signed-off-by: Panagiotis Issaris <takis@issaris.org> Jffs2-bit-acked-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | | | | | configfs: Prevent duplicate subsystem names.Joel Becker2006-09-201-2/+30
| |_|_|_|_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For all child objects, creation comes through mkdir(2), so duplicate names are prevented. Subsystems, though, are registered by client drivers at init_module()/__init time. This patch prevents duplicate subsystem names. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* | | | | | configfs: Clear up a few extra spaces where there should be TABs.Joel Becker2006-06-292-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* | | | | | [PATCH] mark address_space_operations constChristoph Hellwig2006-06-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Same as with already do with the file operations: keep them in .rodata and prevents people from doing runtime patching. Signed-off-by: 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>
generated by cgit v1.1 at 2024-12-25 17:33:39 +0000