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* new helper: ihold()Al Viro2010-10-252-2/+2
| | | | | | Clones an existing reference to inode; caller must already hold one. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* list.h: new helper - hlist_add_fake()Al Viro2010-10-251-1/+1
| | | | | | | | | | Make node look as if it was on hlist, with hlist_del() working correctly. Usable without any locking... Convert a couple of places where we want to do that to inode->i_hash. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Merge branch 'for-next' of ↵Linus Torvalds2010-10-242-6/+4
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits) Update broken web addresses in arch directory. Update broken web addresses in the kernel. Revert "drivers/usb: Remove unnecessary return's from void functions" for musb gadget Revert "Fix typo: configuation => configuration" partially ida: document IDA_BITMAP_LONGS calculation ext2: fix a typo on comment in ext2/inode.c drivers/scsi: Remove unnecessary casts of private_data drivers/s390: Remove unnecessary casts of private_data net/sunrpc/rpc_pipe.c: Remove unnecessary casts of private_data drivers/infiniband: Remove unnecessary casts of private_data drivers/gpu/drm: Remove unnecessary casts of private_data kernel/pm_qos_params.c: Remove unnecessary casts of private_data fs/ecryptfs: Remove unnecessary casts of private_data fs/seq_file.c: Remove unnecessary casts of private_data arm: uengine.c: remove C99 comments arm: scoop.c: remove C99 comments Fix typo configue => configure in comments Fix typo: configuation => configuration Fix typo interrest[ing|ed] => interest[ing|ed] Fix various typos of valid in comments ... Fix up trivial conflicts in: drivers/char/ipmi/ipmi_si_intf.c drivers/usb/gadget/rndis.c net/irda/irnet/irnet_ppp.c
| * Fix various typos of valid in commentsNikanth Karthikesan2010-09-211-4/+2
| | | | | | | | | | | | | | Fix various typos of valid. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * Merge branch 'master' into for-nextJiri Kosina2010-08-115-79/+95
| |\ | | | | | | | | | | | | Conflicts: fs/exofs/inode.c
| * | fix printk typo 'faild'Paul Bolle2010-08-091-2/+2
| | | | | | | | | | | | | | | Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | | BKL: Remove BKL from JFSJan Blunck2010-10-041-28/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | The BKL is only used in put_super, fill_super and remount_fs that are all three protected by the superblocks s_umount rw_semaphore. Therefore it is safe to remove the BKL entirely. Signed-off-by: Jan Blunck <jblunck@infradead.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* | | BKL: Explicitly add BKL around get_sb/fill_superJan Blunck2010-10-041-2/+10
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is a preparation necessary to remove the BKL from do_new_mount(). It explicitly adds calls to lock_kernel()/unlock_kernel() around get_sb/fill_super operations for filesystems that still uses the BKL. I've read through all the code formerly covered by the BKL inside do_kern_mount() and have satisfied myself that it doesn't need the BKL any more. do_kern_mount() is already called without the BKL when mounting the rootfs and in nfsctl. do_kern_mount() calls vfs_kern_mount(), which is called from various places without BKL: simple_pin_fs(), nfs_do_clone_mount() through nfs_follow_mountpoint(), afs_mntpt_do_automount() through afs_mntpt_follow_link(). Both later functions are actually the filesystems follow_link inode operation. vfs_kern_mount() is calling the specified get_sb function and lets the filesystem do its job by calling the given fill_super function. Therefore I think it is safe to push down the BKL from the VFS to the low-level filesystems get_sb/fill_super operation. [arnd: do not add the BKL to those file systems that already don't use it elsewhere] Signed-off-by: Jan Blunck <jblunck@infradead.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Matthew Wilcox <matthew@wil.cx> Cc: Christoph Hellwig <hch@infradead.org>
* | jfs: don't allow os2 xattr namespace overlap with othersDave Kleikamp2010-08-101-49/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | It's currently possible to bypass xattr namespace access rules by prefixing valid xattr names with "os2.", since the os2 namespace stores extended attributes in a legacy format with no prefix. This patch adds checking to deny access to any valid namespace prefix following "os2.". Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Reported-by: Sergey Vlasov <vsu@altlinux.ru> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | switch jfs to ->evict_inode()Al Viro2010-08-093-25/+20
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | remove inode_setattrChristoph Hellwig2010-08-091-3/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace inode_setattr with opencoded variants of it in all callers. This moves the remaining call to vmtruncate into the filesystem methods where it can be replaced with the proper truncate sequence. In a few cases it was obvious that we would never end up calling vmtruncate so it was left out in the opencoded variant: spufs: explicitly checks for ATTR_SIZE earlier btrfs,hugetlbfs,logfs,dlmfs: explicitly clears ATTR_SIZE earlier ufs: contains an opencoded simple_seattr + truncate that sets the filesize just above In addition to that ncpfs called inode_setattr with handcrafted iattrs, which allowed to trim down the opencoded variant. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | get rid of nobh_write_begin_newtruncChristoph Hellwig2010-08-091-1/+10
| | | | | | | | | | | | | | | | | | | | Move the call to vmtruncate to get rid of accessive blocks to the only remaining caller and rename the non-truncating version to nobh_write_begin. Get rid of the superflous file argument to it while we're at it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | sort out blockdev_direct_IO variantsChristoph Hellwig2010-08-091-1/+16
|/ | | | | | | | | | | | Move the call to vmtruncate to get rid of accessive blocks to the callers in prepearation of the new truncate calling sequence. This was only done for DIO_LOCKING filesystems, so the __blockdev_direct_IO_newtrunc variant was not needed anyway. Get rid of blockdev_direct_IO_no_locking and its _newtrunc variant while at it as just opencoding the two additional paramters is shorted than the name suffix. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Merge branch 'for_linus' of ↵Linus Torvalds2010-05-301-0/+16
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: quota: Convert quota statistics to generic percpu_counter ext3 uses rb_node = NULL; to zero rb_root. quota: Fixup dquot_transfer reiserfs: Fix resuming of quotas on remount read-write pohmelfs: Remove dead quota code ufs: Remove dead quota code udf: Remove dead quota code quota: rename default quotactl methods to dquot_ quota: explicitly set ->dq_op and ->s_qcop quota: drop remount argument to ->quota_on and ->quota_off quota: move unmount handling into the filesystem quota: kill the vfs_dq_off and vfs_dq_quota_on_remount wrappers quota: move remount handling into the filesystem ocfs2: Fix use after free on remount read-only Fix up conflicts in fs/ext4/super.c and fs/ufs/file.c
| * quota: rename default quotactl methods to dquot_Christoph Hellwig2010-05-241-1/+1
| | | | | | | | | | | | | | | | | | Follow the dquot_* style used elsewhere in dquot.c. [Jan Kara: Fixed up missing conversion of ext2] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * quota: explicitly set ->dq_op and ->s_qcopChristoph Hellwig2010-05-241-0/+4
| | | | | | | | | | | | | | | | | | | | Only set the quota operation vectors if the filesystem actually supports quota instead of doing it for all filesystems in alloc_super(). [Jan Kara: Export dquot_operations and vfs_quotactl_ops] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * quota: move unmount handling into the filesystemChristoph Hellwig2010-05-241-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently the VFS calls into the quotactl interface for unmounting filesystems. This means filesystems with their own quota handling can't easily distinguish between user-space originating quotaoff and an unount. Instead move the responsibily of the unmount handling into the filesystem to be consistent with all other dquot handling. Note that we do call dquot_disable a lot later now, e.g. after a sync_filesystem. But this is fine as the quota code does all its writes via blockdev's mapping and that is synced even later. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * quota: kill the vfs_dq_off and vfs_dq_quota_on_remount wrappersChristoph Hellwig2010-05-241-4/+4
| | | | | | | | | | | | | | | | | | | | | | Instead of having wrappers in the VFS namespace export the dquot_suspend and dquot_resume helpers directly. Also rename vfs_quota_disable to dquot_disable while we're at it. [Jan Kara: Moved dquot_suspend to quotaops.h and made it inline] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * quota: move remount handling into the filesystemChristoph Hellwig2010-05-241-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | Currently do_remount_sb calls into the dquot code to tell it about going from rw to ro and ro to rw. Move this code into the filesystem to not depend on the dquot code in the VFS - note ocfs2 already ignores these calls and handles remount by itself. This gets rid of overloading the quotactl calls and allows to unify the VFS and XFS codepaths in that area later. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
* | drop unused dentry argument to ->fsyncChristoph Hellwig2010-05-272-3/+3
|/ | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* jfs: replace inode uid,gid,mode init with helperDmitry Monakhov2010-05-211-10/+2
| | | | | | Acked-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* quota: unify quota init condition in setattrDmitry Monakhov2010-05-211-1/+1
| | | | | | | | | | | | | Quota must being initialized if size or uid/git changes requested. But initialization performed in two different places: in case of i_size file system is responsible for dquot init , but in case of uid/gid init will be called internally in dquot_transfer(). This ambiguity makes code harder to understand. Let's move this logic to one common helper function. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Jan Kara <jack@suse.cz>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-05-201-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (44 commits) vlynq: make whole Kconfig-menu dependant on architecture add descriptive comment for TIF_MEMDIE task flag declaration. EEPROM: max6875: Header file cleanup EEPROM: 93cx6: Header file cleanup EEPROM: Header file cleanup agp: use NULL instead of 0 when pointer is needed rtc-v3020: make bitfield unsigned PCI: make bitfield unsigned jbd2: use NULL instead of 0 when pointer is needed cciss: fix shadows sparse warning doc: inode uses a mutex instead of a semaphore. uml: i386: Avoid redefinition of NR_syscalls fix "seperate" typos in comments cocbalt_lcdfb: correct sections doc: Change urls for sparse Powerpc: wii: Fix typo in comment i2o: cleanup some exit paths Documentation/: it's -> its where appropriate UML: Fix compiler warning due to missing task_struct declaration UML: add kernel.h include to signal.c ...
| * Merge branch 'master' into for-nextJiri Kosina2010-04-2315-16/+42
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| * | Fix typos in commentsThomas Weber2010-03-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [Ss]ytem => [Ss]ystem udpate => update paramters => parameters orginal => original Signed-off-by: Thomas Weber <swirl@gmx.li> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | | JFS: Free sbi memory in error pathJan Blunck2010-05-151-7/+6
| |/ |/| | | | | | | | | | | | | | | | | I spotted the missing kfree() while removing the BKL. [akpm@linux-foundation.org: avoid multiple returns so it doesn't happen again] Signed-off-by: Jan Blunck <jblunck@suse.de> Cc: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | Merge branch 'for-linus' of ↵Linus Torvalds2010-04-217-16/+33
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6: jfs: add jfs specific ->setattr call jfs: fix diAllocExt error in resizing filesystem jfs_dmap.[ch]: trivial typo fix: s/heigth/height/g
| * | jfs: add jfs specific ->setattr callDmitry Monakhov2010-04-164-4/+17
| | | | | | | | | | | | | | | | | | | | | | | | generic setattr not longer responsible for quota transfer. use jfs_setattr for all jfs's inodes. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
| * | jfs: fix diAllocExt error in resizing filesystemBill Pemberton2010-04-161-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Resizing the filesystem would result in an diAllocExt error in some instances because changes in bmp->db_agsize would not get noticed if goto extendBmap was called. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Cc: jfs-discussion@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org
| * | jfs_dmap.[ch]: trivial typo fix: s/heigth/height/gDaniel Mack2010-02-022-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Cc: Jiri Kosina <trivial@kernel.org> Cc: André Goddard Rosa <andre.goddard@gmail.com> Cc: jfs-discussion@lists.sourceforge.net
* | | include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-309-0/+9
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* | Merge branch 'for_linus' of ↵Linus Torvalds2010-03-0512-77/+116
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: (33 commits) quota: stop using QUOTA_OK / NO_QUOTA dquot: cleanup dquot initialize routine dquot: move dquot initialization responsibility into the filesystem dquot: cleanup dquot drop routine dquot: move dquot drop responsibility into the filesystem dquot: cleanup dquot transfer routine dquot: move dquot transfer responsibility into the filesystem dquot: cleanup inode allocation / freeing routines dquot: cleanup space allocation / freeing routines ext3: add writepage sanity checks ext3: Truncate allocated blocks if direct IO write fails to update i_size quota: Properly invalidate caches even for filesystems with blocksize < pagesize quota: generalize quota transfer interface quota: sb_quota state flags cleanup jbd: Delay discarding buffers in journal_unmap_buffer ext3: quota_write cross block boundary behaviour quota: drop permission checks from xfs_fs_set_xstate/xfs_fs_set_xquota quota: split out compat_sys_quotactl support from quota.c quota: split out netlink notification support from quota.c quota: remove invalid optimization from quota_sync_all ... Fixed trivial conflicts in fs/namei.c and fs/ufs/inode.c
| * | dquot: cleanup dquot initialize routineChristoph Hellwig2010-03-054-16/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the initialize dquot operation - it is now always called from the filesystem and if a filesystem really needs it's own (which none currently does) it can just call into it's own routine directly. Rename the now static low-level dquot_initialize helper to __dquot_initialize and vfs_dq_init to dquot_initialize to have a consistent namespace. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: move dquot initialization responsibility into the filesystemChristoph Hellwig2010-03-053-1/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently various places in the VFS call vfs_dq_init directly. This means we tie the quota code into the VFS. Get rid of that and make the filesystem responsible for the initialization. For most metadata operations this is a straight forward move into the methods, but for truncate and open it's a bit more complicated. For truncate we currently only call vfs_dq_init for the sys_truncate case because open already takes care of it for ftruncate and open(O_TRUNC) - the new code causes an additional vfs_dq_init for those which is harmless. For open the initialization is moved from do_filp_open into the open method, which means it happens slightly earlier now, and only for regular files. The latter is fine because we don't need to initialize it for operations on special files, and we already do it as part of the namespace operations for directories. Add a dquot_file_open helper that filesystems that support generic quotas can use to fill in ->open. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: cleanup dquot drop routineChristoph Hellwig2010-03-053-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the drop dquot operation - it is now always called from the filesystem and if a filesystem really needs it's own (which none currently does) it can just call into it's own routine directly. Rename the now static low-level dquot_drop helper to __dquot_drop and vfs_dq_drop to dquot_drop to have a consistent namespace. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: move dquot drop responsibility into the filesystemChristoph Hellwig2010-03-051-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently clear_inode calls vfs_dq_drop directly. This means we tie the quota code into the VFS. Get rid of that and make the filesystem responsible for the drop inside the ->clear_inode superblock operation. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: cleanup dquot transfer routineChristoph Hellwig2010-03-051-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the transfer dquot operation - it is now always called from the filesystem and if a filesystem really needs it's own (which none currently does) it can just call into it's own routine directly. Rename the now static low-level dquot_transfer helper to __dquot_transfer and vfs_dq_transfer to dquot_transfer to have a consistent namespace, and make the new dquot_transfer return a normal negative errno value which all callers expect. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: move dquot transfer responsibility into the filesystemChristoph Hellwig2010-03-055-28/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently notify_change calls vfs_dq_transfer directly. This means we tie the quota code into the VFS. Get rid of that and make the filesystem responsible for the transfer. Most filesystems already do this, only ufs and udf need the code added, and for jfs it needs to be enabled unconditionally instead of only when ACLs are enabled. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: cleanup inode allocation / freeing routinesChristoph Hellwig2010-03-052-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the alloc_inode and free_inode dquot operations - they are always called from the filesystem and if a filesystem really needs their own (which none currently does) it can just call into it's own routine directly. Also get rid of the vfs_dq_alloc/vfs_dq_free wrappers and always call the lowlevel dquot_alloc_inode / dqout_free_inode routines directly, which now lose the number argument which is always 1. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: cleanup space allocation / freeing routinesChristoph Hellwig2010-03-054-38/+44
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the alloc_space, free_space, reserve_space, claim_space and release_rsv dquot operations - they are always called from the filesystem and if a filesystem really needs their own (which none currently does) it can just call into it's own routine directly. Move shared logic into the common __dquot_alloc_space, dquot_claim_space_nodirty and __dquot_free_space low-level methods, and rationalize the wrappers around it to move as much as possible code into the common block for CONFIG_QUOTA vs not. Also rename all these helpers to be named dquot_* instead of vfs_dq_*. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
* | pass writeback_control to ->write_inodeChristoph Hellwig2010-03-052-2/+5
|/ | | | | | | | | | This gives the filesystem more information about the writeback that is happening. Trond requested this for the NFS unstable write handling, and other filesystems might benefit from this too by beeing able to distinguish between the different callers in more detail. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* jfs: Fix 32bit build warningAlan Cox2009-12-221-1/+1
| | | | | | | loff_t is a type that isn't entirely dependant upon 32 v 64bit choice Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* kill I_LOCKChristoph Hellwig2009-12-171-1/+1
| | | | | | | | After I_SYNC was split from I_LOCK the leftover is always used together with I_NEW and thus superflous. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* tree-wide: fix assorted typos all over the placeAndré Goddard Rosa2009-12-041-2/+2
| | | | | | | | | | That is "success", "unknown", "through", "performance", "[re|un]mapping" , "access", "default", "reasonable", "[con]currently", "temperature" , "channel", "[un]used", "application", "example","hierarchy", "therefore" , "[over|under]flow", "contiguous", "threshold", "enough" and others. Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* fs: Make unload_nls() NULL pointer safeThomas Gleixner2009-09-241-6/+3
| | | | | | | | | | | | | | | | | | Most call sites of unload_nls() do: if (nls) unload_nls(nls); Check the pointer inside unload_nls() like we do in kfree() and simplify the call sites. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Steve French <sfrench@us.ibm.com> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Cc: Petr Vandrovec <vandrove@vc.cvut.cz> Cc: Anton Altaparmakov <aia21@cantab.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* jffs2/jfs/xfs: switch over to 'check_acl' rather than 'permission()'Linus Torvalds2009-09-084-9/+4
| | | | | | | | | | | This avoids an indirect call in the VFS for each path component lookup. Well, at least as long as you own the directory in question, and the ACL check is unnecessary. Reviewed-by: James Morris <jmorris@namei.org> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* jfs: Fix early release of acl in jfs_get_aclStefan Bader2009-07-231-3/+1
| | | | | | | | | | | | | | | | | | | | BugLink: http://bugs.launchpad.net/ubuntu/+bug/396780 Commit 073aaa1b142461d91f83da66db1184d7c1b1edea "helpers for acl caching + switch to those" introduced new helper functions for acl handling but seems to have introduced a regression for jfs as the acl is released before returning it to the caller, instead of leaving this for the caller to do. This causes the acl object to be used after freeing it, leading to kernel panics in completely different places. Thanks to Christophe Dumez for reporting and bisecting into this. Reported-by: Christophe Dumez <dchris@gmail.com> Tested-by: Christophe Dumez <dchris@gmail.com> Signed-off-by: Stefan Bader <stefan.bader@canonical.com> Acked-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
* another race fix in jfs_check_acl()Al Viro2009-06-241-6/+7
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* helpers for acl caching + switch to thoseAl Viro2009-06-242-27/+15
| | | | | | | | | helpers: get_cached_acl(inode, type), set_cached_acl(inode, type, acl), forget_cached_acl(inode, type). ubifs/xattr.c needed includes reordered, the rest is a plain switchover. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* switch jfs to inode->i_aclAl Viro2009-06-244-41/+15
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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