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2005-09-09[PATCH] remove the inode_post_link and inode_post_rename LSM hooksStephen Smalley
This patch removes the inode_post_link and inode_post_rename LSM hooks as they are unused (and likely useless). Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-09[PATCH] Remove security_inode_post_create/mkdir/symlink/mknod hooksStephen Smalley
This patch removes the inode_post_create/mkdir/mknod/symlink LSM hooks as they are obsoleted by the new inode_init_security hook that enables atomic inode security labeling. If anyone sees any reason to retain these hooks, please speak now. Also, is anyone using the post_rename/link hooks; if not, those could also be removed. Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-09[PATCH] ext3: Enable atomic inode security labelingStephen Smalley
This patch modifies ext3 to call the inode_init_security LSM hook to obtain the security attribute for a newly created inode and to set the resulting attribute on the new inode as part of the same transaction. This parallels the existing processing for setting ACLs on newly created inodes. Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-09[PATCH] ext2: Enable atomic inode security labelingStephen Smalley
This patch modifies ext2 to call the inode_init_security LSM hook to obtain the security attribute for a newly created inode and to set the resulting attribute on the new inode. This parallels the existing processing for setting ACLs on newly created inodes. Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-09[PATCH] update filesystems for new delete_inode behaviorMark Fasheh
Update the file systems in fs/ implementing a delete_inode() callback to call truncate_inode_pages(). One implementation note: In developing this patch I put the calls to truncate_inode_pages() at the very top of those filesystems delete_inode() callbacks in order to retain the previous behavior. I'm guessing that some of those could probably be optimized. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Acked-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-09[PATCH] move truncate_inode_pages() into ->delete_inode()Mark Fasheh
Allow file systems supporting ->delete_inode() to call truncate_inode_pages() on their own. OCFS2 wants this so it can query the cluster before making a final decision on whether to wipe an inode from disk or not. In some corner cases an inode marked on the local node via voting may not actually get orphaned. A good example is node death before the transaction moving the inode to the orphan dir commits to the journal. Without this patch, the truncate_inode_pages() call in generic_delete_inode() would discard valid data for such inodes. During earlier discussion in the 2.6.13 merge plan thread, Christoph Hellwig indicated that other file systems might also find this useful. IMHO, the best solution would be to just allow ->drop_inode() to do the cluster query but it seems that would require a substantial reworking of that section of the code. Assuming it is safe to call write_inode_now() in ocfs2_delete_inode() for those inodes which won't actually get wiped, this solution should get us by for now. Trivial testing of this patch (and a related OCFS2 update) has shown this to avoid the corruption I'm seeing. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Acked-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-09[PATCH] bogus cast in bio.cviro@ZenIV.linux.org.uk
<qualifier> void * is not the same as void <qualifier> *... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-09Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6 Anton Altaparmakov
2005-09-09[XFS] Revert recent quota Makefile change, not in a fit state for merging.Nathan Scott
Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-09-08Merge branch 'master' of /usr/src/linux-2.6 Anton Altaparmakov
2005-09-08NTFS: 2.1.24 release and some minor final fixes.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Improve scalability by changing the driver global spin lock inAnton Altaparmakov
fs/ntfs/aops.c::ntfs_end_buffer_async_read() to a bit spin lock in the first buffer head of a page. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix page_has_buffers()/page_buffers() handling in fs/ntfs/aops.c.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fixup handling of sparse, compressed, and encrypted attributes inAnton Altaparmakov
fs/ntfs/aops.c::ntfs_readpage(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix fs/ntfs/aops.c::ntfs_{read,write}_block() to handle the caseAnton Altaparmakov
where a concurrent truncate has truncated the runlist under our feet. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Optimize fs/ntfs/aops.c::ntfs_write_block() by extending the pageAnton Altaparmakov
lock protection over the buffer submission for i/o which allows the removal of the get_bh()/put_bh() pairs for each buffer. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fixup handling of sparse, compressed, and encrypted attributes inAnton Altaparmakov
fs/ntfs/aops.c::ntfs_writepage(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Make ntfs_write_block() not instantiate sparse blocks if they are zero.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fixup handling of sparse, compressed, and encrypted attributes inAnton Altaparmakov
fs/ntfs/inode.c::ntfs_read_locked_{,attr_,index_}inode(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Truncate {a,c,m}time to the ntfs supported time granularity whenAnton Altaparmakov
updating the times in the inode in ntfs_setattr(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix cluster (de)allocators to work when the runlist is NULL and moreAnton Altaparmakov
importantly to take a locked runlist rather than them locking it which leads to lock reversal. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix handling of sparse attributes in ntfs_attr_make_non_resident().Anton Altaparmakov
Also, add BUG() checks to ntfs_attr_make_non_resident() and ntfs_attr_set() to ensure that these functions are never called for compressed or encrypted attributes. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix several bugs in fs/ntfs/attrib.c.Anton Altaparmakov
- Fix a bug in ntfs_map_runlist_nolock() where we forgot to protect access to the allocated size in the ntfs inode with the size lock. - Fix ntfs_attr_vcn_to_lcn_nolock() and ntfs_attr_find_vcn_nolock() to return LCN_ENOENT when there is no runlist and the allocated size is zero. - Fix load_attribute_list() to handle the case of a NULL runlist. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Add fs/ntfs/attrib.[hc]::ntfs_resident_attr_value_resize().Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Remove bogus setting of PageError in ntfs_read_compressed_block().Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix a bug in fs/ntfs/index.c::ntfs_index_lookup(). When the returnedAnton Altaparmakov
index entry is in the index root, we forgot to set the @ir pointer in the index context. Thanks for Yura Pakhuchiy for finding this bug. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Add ntfs_rl_punch_nolock() which punches a caller specified hole into ↵Anton Altaparmakov
a runlist. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Change ntfs_rl_truncate_nolock() to throw away the runlist if the newAnton Altaparmakov
length is zero. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Report unrepresentable inodes during ntfs_readdir() as KERN_WARNINGAnton Altaparmakov
messages and include the inode number. Thanks to Yura Pakhuchiy for pointing this out. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix handling of valid but empty mapping pairs array inAnton Altaparmakov
fs/ntfs/runlist.c::ntfs_mapping_pairs_decompress(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Remove two bogus BUG_ON()s from fs/ntfs/mft.c.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix two nasty runlist merging bugs that had gone unnoticed so far.Anton Altaparmakov
Thanks to Stefano Picerno for the bug report. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Use ntfs_malloc_nofs_nofail() in runlist.c::ntfs_runlists_merge()Anton Altaparmakov
in the two critical regions. This means we no longer need to panic() when the allocation fails as it now cannot fail. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Allow highmem kmalloc() in ntfs_malloc_nofs() and add _nofail() version.Anton Altaparmakov
- Modify fs/ntfs/malloc.h::ntfs_malloc_nofs() to do the kmalloc() based allocations with __GFP_HIGHMEM, analogous to how the vmalloc() based allocations are done. - Add fs/ntfs/malloc.h::ntfs_malloc_nofs_nofail() which is analogous to ntfs_malloc_nofs() but it performs allocations with __GFP_NOFAIL and hence cannot fail. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Support more clean journal ($LogFile) states.Anton Altaparmakov
- Support journals ($LogFile) which have been modified by chkdsk. This means users can boot into Windows after we marked the volume dirty. The Windows boot will run chkdsk and then reboot. The user can then immediately boot into Linux rather than having to do a full Windows boot first before rebooting into Linux and we will recognize such a journal and empty it as it is clean by definition. - Support journals ($LogFile) with only one restart page as well as journals with two different restart pages. We sanity check both and either use the only sane one or the more recent one of the two in the case that both are valid. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08[XFS] Fix modular XFS builds (Makefile botch).Nathan Scott
Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-09-08[XFS] Remove special Kconfig XFS menu, make XFS options "inline".Nathan Scott
Signed-off-by: Eric Sandeen <sandeen@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-09-08[XFS] Cleanup some -Wundef flag warnings in the endian macros (thanksNathan Scott
Christoph). SGI-PV: 942400 SGI-Modid: xfs-linux-melb:xfs-kern:23771a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-09-07Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6 Linus Torvalds
2005-09-07Merge git://oss.sgi.com:8090/oss/git/xfs-2.6 Linus Torvalds
2005-09-07[PATCH] pivot_root() circular reference fixMiklos Szeredi
Fix http://bugzilla.kernel.org/show_bug.cgi?id=4857 When pivot_root is called from an init script in an initramfs environment, it causes a circular reference in the mount tree. The cause of this is that pivot_root() is not prepared to handle pivoting an unattached mount. In an initramfs environment, rootfs is the root of the namespace, and so it is not attached. This patch fixes this and related problems, by returning -EINVAL if either the current root or the new root is detached. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Acked-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> Cc: <bigfish@asmallpond.org> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07[PATCH] Fix race in do_get_write_access()Jan Kara
attached patch should fix the following race: Proc 1 Proc 2 __flush_batch() ll_rw_block() do_get_write_access() lock_buffer jh is only waiting for checkpoint -> b_transaction == NULL -> do nothing unlock_buffer test_set_buffer_locked() test_clear_buffer_dirty() __journal_file_buffer() change the data submit_bh() and we have sent wrong data to disk... We now clean the dirty buffer flag under buffer lock in all cases and hence we know that whenever a buffer is starting to be journaled we either finish the pending write-out before attaching a buffer to a transaction or we won't write the buffer until the transaction is going to be committed. The test in jbd_unexpected_dirty_buffer() is redundant - remove it. Furthermore we have to clear the buffer dirty bit under the buffer lock to prevent races with buffer write-out (and hence prevent returning a buffer with IO happening). Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07[PATCH] Change HFS+ to not use ll_rw_block()Jan Kara
Use block layer predefined function. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07[PATCH] Change ll_rw_block() calls in UFSJan Kara
We need to be sure that current data are sent to disk. Hence we call ll_rw_block() with SWRITE. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07[PATCH] Change ll_rw_block() calls in ReiserJan Kara
We need to be sure that current data in buffer are sent to disk. Hence we need to call ll_rw_block() with SWRITE. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07[PATCH] Change ll_rw_block() calls in JBDJan Kara
We must be sure that the current data in buffer are sent to disk. Hence we have to call ll_rw_block() with SWRITE. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07[PATCH] Make ll_rw_block() wait for buffer lockJan Kara
Introduce new ll_rw_block() operation SWRITE meaning that block layer should wait for the buffer lock and write-out afterwards. Hence data in buffers at the time of call are guaranteed to be submitted to the disk. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07[PATCH] Fix JBD race in t_forget list handlingJan Kara
Fix race between journal_commit_transaction() and other places as journal_unmap_buffer() that are adding buffers to transaction's t_forget list. We have to protect against such places by holding j_list_lock even when traversing the t_forget list. The fact that other places can only add buffers to the list makes the locking easier. OTOH the lock ranking complicates the stuff... Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07[PATCH] kjournald: missing JFS_UNMOUNT checkMark Fasheh
It seems that kjournald() may be missing a check of the JFS_UNMOUNT flag before calling schedule(). This showed up in testing of OCFS2 recovery where our recovery thread would hang in journal_kill_thread() called from journal_destroy() because kjournald never got a chance to read the flag to shut down before the schedule(). Zach pointed out the missing check which led me to hack up this trivial patch. It's been tested many times now and I have yet to reproduce the hang, which was happening very regularly before. <mild rant> I'm guessing that we could really use some wait_event() calls with helper functions in, well, most of jbd these days which would make a ton of the wait code there vastly cleaner. </mild rant> As for why this doesn't happen in ext3 (or OCFS2 during normal mount/unmount of the local nodes journal), I think it may that the specific timing of events in the ocfs2 recovery thread exposes a race there. Because ocfs2_replay_journal() is only interested in playing back the journal, initialization and shutdown happen very quicky with no other metadata put into that specific journal. Acked-by: "Stephen C. Tweedie" <sct@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07[PATCH] hfs: NLS supportRoman Zippel
This adds NLS support to HFS. Using the kernel options iocharset and codepage it's possible to map the disk encoding to a local mapping. If these options are not used, it falls back to the old direct mapping. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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