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* switch ufs to ->evict_inode()Al Viro2010-08-094-21/+28
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* check ATTR_SIZE contraints in inode_change_okChristoph Hellwig2010-08-091-8/+3
| | | | | | | | | | | | | | | | | | | | | Make sure we check the truncate constraints early on in ->setattr by adding those checks to inode_change_ok. Also clean up and document inode_change_ok to make this obvious. As a fallout we don't have to call inode_newsize_ok from simple_setsize and simplify it down to a truncate_setsize which doesn't return an error. This simplifies a lot of setattr implementations and means we use truncate_setsize almost everywhere. Get rid of fat_setsize now that it's trivial and mark ext2_setsize static to make the calling convention obvious. Keep the inode_newsize_ok in vmtruncate for now as all callers need an audit for its removal anyway. Note: setattr code in ecryptfs doesn't call inode_change_ok at all and needs a deeper audit, but that is left for later. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* remove inode_setattrChristoph Hellwig2010-08-091-1/+4
| | | | | | | | | | | | | | | | | | | 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 block_write_begin_newtruncChristoph Hellwig2010-08-091-2/+10
| | | | | | | | | | | Move the call to vmtruncate to get rid of accessive blocks to the callers in preparation of the new truncate sequence and rename the non-truncating version to block_write_begin. While we're at it also remove several unused arguments to block_write_begin. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* introduce __block_write_beginChristoph Hellwig2010-08-091-2/+1
| | | | | | | | | | | | Split up the block_write_begin implementation - __block_write_begin is a new trivial wrapper for block_prepare_write that always takes an already allocated page and can be either called from block_write_begin or filesystem code that already has a page allocated. Remove the handling of already allocated pages from block_write_begin after switching all callers that do it to __block_write_begin. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* clean up write_begin usage for directories in pagecacheChristoph Hellwig2010-08-093-18/+10
| | | | | | | | | | | | | | | | | | | For filesystem that implement directories in pagecache we call block_write_begin with an already allocated page for this code, while the normal regular file write path uses the default block_write_begin behaviour. Get rid of the __foofs_write_begin helper and opencode the normal write_begin call in foofs_write_begin, while adding a new foofs_prepare_chunk helper for the directory code. The added benefit is that foofs_prepare_chunk has a much saner calling convention. Note that the interruptible flag passed into block_write_begin is always ignored if we already pass in a page (see next patch for details), and we never were doing truncations of exessive blocks for this case either so we can switch directly to block_write_begin_newtrunc. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Merge branch 'for_linus' of ↵Linus Torvalds2010-05-307-178/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
| * ufs: Remove dead quota codeJan Kara2010-05-247-195/+1
| | | | | | | | | | | | | | | | | | UFS quota is non-functional at least since 2.6.12 because dq_op was set to NULL. Since the filesystem exists mainly to allow cooperation with Solaris and quota format isn't standard, just remove the dead code. CC: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Jan Kara <jack@suse.cz>
| * 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 Hellwig2010-05-241-1/+5
| | | | | | | | | | | | | | | | | | | | 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/+12
| | | | | | | | | | | | | | | | | | | | | | | | 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>
* | kill spurious reference to vmtruncatenpiggin@suse.de2010-05-271-6/+4
| | | | | | | | | | | | | | | | | | | | Lots of filesystems calls vmtruncate despite not implementing the old ->truncate method. Switch them to use simple_setsize and add some comments about the truncate code where it seems fitting. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | rename the generic fsync implementationsChristoph Hellwig2010-05-272-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We don't name our generic fsync implementations very well currently. The no-op implementation for in-memory filesystems currently is called simple_sync_file which doesn't make too much sense to start with, the the generic one for simple filesystems is called simple_fsync which can lead to some confusion. This patch renames the generic file fsync method to generic_file_fsync to match the other generic_file_* routines it is supposed to be used with, and the no-op implementation to noop_fsync to make it obvious what to expect. In addition add some documentation for both methods. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | ufs: permit mounting of BorderWare filesystemsThomas Stewart2010-05-272-0/+3
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | I recently had to recover some files from an old broken machine that was running BorderWare Document Gateway. It's basically a drop in web server for sharing files. From the look of the init process and using strings on of a few files it seems to be based on FreeBSD 3.3. The process turned out to be more difficult than I imagined, but to cut a long story short BorderWare in their wisdom use a nonstandard magic number in their UFS (ufstype=44bsd) file systems. Thus Linux refuses to mount the file systems in order to recover the data. After a bit of hunting I was able to make a quick fix to fs/ufs/super.c in order to detect the new magic number. I assume that this number is the same for all installations. It's quite easy to find out from ufs_fs.h. The superblock sits 8k into the block device and the magic number its 1372 bytes into the superblock struct. # dd if=/dev/sda5 skip=$(( 8192 + 1372 )) bs=1 count=4 2> /dev/null | hd 00000000 97 26 24 0f |.&$.| # Signed-off-by: Thomas Stewart <thomas@stewarts.org.uk> Cc: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ufs: replace inode uid,gid,mode initialization with helper functionDmitry Monakhov2010-05-211-9/+1
| | | | | 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 Monakhov2010-05-211-4/+4
| | | | | | | | | | | | | 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>
* ufs: add ufs speciffic ->setattr callDmitry Monakhov2010-05-215-3/+13
| | | | | | | | generic setattr not longer responsible for quota transfer. use ufs_setattr for all ufs's inodes. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Jan Kara <jack@suse.cz>
* ufs: make solaris fsck happyEvgeniy Dushistov2010-03-121-2/+7
| | | | | | | | | | | | | Alex Viskovatoff let me know that after copying data to solaris's ufs from linux, solaris's fsck sees some errors in cylinder summary information. This is because of solaris expects find some data on another places, then curernt implementation save it. This patch fixes this issue. It is tested by me, and also Alex reported that it works for him. Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru> Reported-by: Alex Viskovatoff <viskovatoff@imap.cc> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fs/ufs: recognize Solaris-specific file system stateAlex Viskovatoff2010-03-122-0/+9
| | | | | | | | | | | | | | | | | Recent releases of Solaris set the fs_clean state of an unmounted UFS file system as FSLOG ("logging fs"). However, the Linux kernel currently does not recognize the value which represents this state. Thus, attempting to mount such a file system rw produces the message kernel: ufs_read_super: can't grok fs_clean 0xfffffffd and the file system is mounted read-only. This patch makes the kernel recognize that value. Signed-off-by: Alex Viskovatoff <viskovatoff@imap.cc> Cc: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for_linus' of ↵Linus Torvalds2010-03-057-15/+61
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Hellwig2010-03-055-11/+12
| | | | | | | | | | | | | | | | | | | | | | | | 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 Hellwig2010-03-054-1/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Hellwig2010-03-052-3/+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 Hellwig2010-03-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Hellwig2010-03-051-0/+7
| | | | | | | | | | | | | | | | | | | | | | 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 Hellwig2010-03-051-3/+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 Hellwig2010-03-051-9/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Hellwig2010-03-052-3/+4
| | | | | | | | | | | | | | | | | | | | 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>
* | sanitize const/signedness of ufs a bitAl Viro2010-03-032-7/+7
|/ | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* ufs: NFS supportAlexey Dobriyan2009-12-161-0/+52
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Evgeniy Dushistov <dushistov@mail.ru> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ufs: pass qstr instead of dentry where necessary for NFSAlexey Dobriyan2009-12-163-11/+11
| | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Evgeniy Dushistov <dushistov@mail.ru> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ufs: sector_t cannot be negativeRoel Kluin2009-06-181-9/+1
| | | | | | | | | unsigned i_block,fragment cannot be negative. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ufs: add ->sync_fsChristoph Hellwig2009-06-111-10/+22
| | | | | | | | Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* switch ufs to simple_fsync()Al Viro2009-06-113-24/+2
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Push BKL down into ->remount_fs()Alessio Igor Bogani2009-06-111-1/+10
| | | | | | | [xfs, btrfs, capifs, shmem don't need BKL, exempt] Signed-off-by: Alessio Igor Bogani <abogani@texware.it> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* ->write_super lock_super pushdownChristoph Hellwig2009-06-111-0/+2
| | | | | | | | | | | | | | | | | | | Push down lock_super into ->write_super instances and remove it from the caller. Following filesystem don't need ->s_lock in ->write_super and are skipped: * bfs, nilfs2 - no other uses of s_lock and have internal locks in ->write_super * ext2 - uses BKL in ext2_write_super and has internal calls without s_lock * reiserfs - no other uses of s_lock as has reiserfs_write_lock (BKL) in ->write_super * xfs - no other uses of s_lock and uses internal lock (buffer lock on superblock buffer) to serialize ->write_super. Also xfs_fs_write_super is superflous and will go away in the next merge window Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Push lock_super() into the ->remount_fs() of filesystems that care about itAl Viro2009-06-111-1/+10
| | | | | | | | | | | | | Note that since we can't run into contention between remount_fs and write_super (due to exclusion on s_umount), we have to care only about filesystems that touch lock_super() on their own. Out of those ext3, ext4, hpfs, sysv and ufs do need it; fat doesn't since its ->remount_fs() only accesses assign-once data (basically, it's "we have no atime on directories and only have atime on files for vfat; force nodiratime and possibly noatime into *flags"). [folded a build fix from hch] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* push BKL down into ->put_superChristoph Hellwig2009-06-111-0/+6
| | | | | | | | | | | | | | | | | Move BKL into ->put_super from the only caller. A couple of filesystems had trivial enough ->put_super (only kfree and NULLing of s_fs_info + stuff in there) to not get any locking: coda, cramfs, efs, hugetlbfs, omfs, qnx4, shmem, all others got the full treatment. Most of them probably don't need it, but I'd rather sort that out individually. Preferably after all the other BKL pushdowns in that area. [AV: original used to move lock_super() down as well; these changes are removed since we don't do lock_super() at all in generic_shutdown_super() now] [AV: fuse, btrfs and xfs are known to need no damn BKL, exempt] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* remove ->write_super call in generic_shutdown_superChristoph Hellwig2009-06-111-0/+3
| | | | | | | | | | | | | | | | | | | | | We just did a full fs writeout using sync_filesystem before, and if that's not enough for the filesystem it can perform it's own writeout in ->put_super, which many filesystems already do. Move a call to foofs_write_super into every foofs_put_super for now to guarantee identical behaviour until it's cleaned up by the individual filesystem maintainers. Exceptions: - affs already has identical copy & pasted code at the beginning of affs_put_super so no need to do it twice. - xfs does the right thing without it and I have changes pending for the xfs tree touching this are so I don't really need conflicts here.. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* switch ufs directories to ufs_sync_file()Al Viro2009-05-093-3/+3
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* fs/ufs: return f_fsid for statfs(2)Coly Li2009-04-021-0/+3
| | | | | | | | | Make ufs return f_fsid info for statfs(2). Signed-off-by: Coly Li <coly.li@suse.de> Cc: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2009-03-274-23/+31
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (37 commits) fs: avoid I_NEW inodes Merge code for single and multiple-instance mounts Remove get_init_pts_sb() Move common mknod_ptmx() calls into caller Parse mount options just once and copy them to super block Unroll essentials of do_remount_sb() into devpts vfs: simple_set_mnt() should return void fs: move bdev code out of buffer.c constify dentry_operations: rest constify dentry_operations: configfs constify dentry_operations: sysfs constify dentry_operations: JFS constify dentry_operations: OCFS2 constify dentry_operations: GFS2 constify dentry_operations: FAT constify dentry_operations: FUSE constify dentry_operations: procfs constify dentry_operations: ecryptfs constify dentry_operations: CIFS constify dentry_operations: AFS ...
| * ufs: copy symlink data into the correct union memberDuane Griffin2009-03-271-1/+1
| | | | | | | | | | | | | | | | | | | | Copy symlink data into the union member it is accessed through. Although this shouldn't make a difference to behaviour it makes the code easier to follow and grep through. It may also prevent problems if the struct/union definitions change in the future. Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ufs: ensure fast symlinks are NUL-terminatedDuane Griffin2009-03-271-2/+4
| | | | | | | | | | | | | | | | Ensure fast symlink targets are NUL-terminated, even if corrupted on-disk. Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ufs: don't truncate longer ufs2 fast symlinksDuane Griffin2009-03-272-22/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ufs2 fast symlinks can be twice as long as ufs ones, however the code was using the ufs size in various places. Fix that so ufs2 symlinks over 60 characters aren't truncated. Note that we copy the entire area instead of using the maxsymlinklen field from the superblock. This way we will be more robust against corruption (of the superblock). While we are at it, use memcpy instead of open-coding it with for loops. Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ufs: validate maximum fast symlink size from superblockDuane Griffin2009-03-271-0/+11
| | | | | | | | | | | | | | | | | | The maximum fast symlink size is set in the superblock of certain types of UFS filesystem. Before using it we need to check that it isn't longer than the available space we have in the inode. Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | ufs: Use lowercase names of quota functionsJan Kara2009-03-262-10/+10
|/ | | | | | | Use lowercase names of quota functions instead of old uppercase ones. Signed-off-by: Jan Kara <jack@suse.cz> CC: Evgeniy Dushistov <dushistov@mail.ru>
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