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2009-09-22ocfs2: Add caching info for refcount tree.Tao Ma
refcount tree should use its own caching info so that when we downconvert the refcount tree lock, we can drop all the cached buffer head. Signed-off-by: Tao Ma <tao.ma@oracle.com>
2009-09-22ocfs2: Add new refcount tree lock resource in dlmglue.Tao Ma
refcount tree lock resource is used to protect refcount tree read/write among multiple nodes. Signed-off-by: Tao Ma <tao.ma@oracle.com>
2009-09-22ocfs2: Abstract caching info checkpoint.Tao Ma
In meta downconvert, we need to checkpoint the metadata in an inode. For refcount tree, we also need it. So abstract the process out. Signed-off-by: Tao Ma <tao.ma@oracle.com>
2009-09-22ocfs2: Add ocfs2_read_refcount_block.Tao Ma
Signed-off-by: Tao Ma <tao.ma@oracle.com>
2009-09-22ocfs2: Add metaecc for ocfs2_refcount_block.Tao Ma
Add metaecc and journal trigger for ocfs2_refcount_block. Signed-off-by: Tao Ma <tao.ma@oracle.com>
2009-09-22ocfs2: Define refcount tree structure.Tao Ma
Signed-off-by: Tao Ma <tao.ma@oracle.com>
2009-09-22Merge branch 'for-linus' of ↵Linus Torvalds
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: (34 commits) trivial: fix typo in aic7xxx comment trivial: fix comment typo in drivers/ata/pata_hpt37x.c trivial: typo in kernel-parameters.txt trivial: fix typo in tracing documentation trivial: add __init/__exit macros in drivers/gpio/bt8xxgpio.c trivial: add __init macro/ fix of __exit macro location in ipmi_poweroff.c trivial: remove unnecessary semicolons trivial: Fix duplicated word "options" in comment trivial: kbuild: remove extraneous blank line after declaration of usage() trivial: improve help text for mm debug config options trivial: doc: hpfall: accept disk device to unload as argument trivial: doc: hpfall: reduce risk that hpfall can do harm trivial: SubmittingPatches: Fix reference to renumbered step trivial: fix typos "man[ae]g?ment" -> "management" trivial: media/video/cx88: add __init/__exit macros to cx88 drivers trivial: fix typo in CONFIG_DEBUG_FS in gcov doc trivial: fix missing printk space in amd_k7_smp_check trivial: fix typo s/ketymap/keymap/ in comment trivial: fix typo "to to" in multiple files trivial: fix typos in comments s/DGBU/DBGU/ ...
2009-09-22const: make struct super_block::s_qcop constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: make struct super_block::dq_op constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-21trivial: remove unnecessary semicolonsJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-09-16HWPOISON: Enable .remove_error_page for migration aware file systemsAndi Kleen
Enable removing of corrupted pages through truncation for a bunch of file systems: ext*, xfs, gfs2, ocfs2, ntfs These should cover most server needs. I chose the set of migration aware file systems for this for now, assuming they have been especially audited. But in general it should be safe for all file systems on the data area that support read/write and truncate. Caveat: the hardware error handler does not take i_mutex for now before calling the truncate function. Is that ok? Cc: tytso@mit.edu Cc: hch@infradead.org Cc: mfasheh@suse.com Cc: aia21@cantab.net Cc: hugh.dickins@tiscali.co.uk Cc: swhiteho@redhat.com Signed-off-by: Andi Kleen <ak@linux.intel.com>
2009-09-14ocfs2: Update syncing after splicing to match generic versionJan Kara
Update ocfs2 specific splicing code to use generic syncing helper. The sync now does not happen under rw_lock because generic_write_sync() acquires i_mutex which ranks above rw_lock. That should not matter because standard fsync path does not hold it either. Acked-by: Joel Becker <Joel.Becker@oracle.com> Acked-by: Mark Fasheh <mfasheh@suse.com> CC: ocfs2-devel@oss.oracle.com Signed-off-by: Jan Kara <jack@suse.cz>
2009-09-14ocfs2: Use __generic_file_aio_write instead of generic_file_aio_write_nolockJan Kara
Use the new helper. We have to submit data pages ourselves in case of O_SYNC write because __generic_file_aio_write does not do it for us. OCFS2 developpers might think about moving the sync out of i_mutex which seems to be easily possible but that's out of scope of this patch. CC: ocfs2-devel@oss.oracle.com Acked-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Jan Kara <jack@suse.cz>
2009-09-11writeback: add name to backing_dev_infoJens Axboe
This enables us to track who does what and print info. Its main use is catching dirty inodes on the default_backing_dev_info, so we can fix that up. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-09-05Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: ocfs2: ocfs2_write_begin_nolock() should handle len=0 ocfs2: invalidate dentry if its dentry_lock isn't initialized.
2009-09-04ocfs2: Pass ocfs2_caching_info into ocfs_init_*_extent_tree().Joel Becker
With this commit, extent tree operations are divorced from inodes and rely on ocfs2_caching_info. Phew! Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: __ocfs2_mark_extent_written() doesn't need struct inode.Joel Becker
We only allow unwritten extents on data, so the toplevel ocfs2_mark_extent_written() can use an inode all it wants. But the subfunction isn't even using the inode argument. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Teach ocfs2_replace_extent_rec() to use an extent_tree.Joel Becker
Don't use a struct inode anymore. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_split_and_insert() no longer needs struct inode.Joel Becker
It already has an extent_tree. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_remove_extent() no longer needs struct inode.Joel Becker
One more generic btree function that is isolated from struct inode. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_add_clusters_in_btree() no longer needs struct inode.Joel Becker
One more function that doesn't need a struct inode to pass to its children. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_insert_extent() no longer needs struct inode.Joel Becker
One more function down, no inode in the entire insert-extent chain. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Make extent map insertion an extent_tree_operation.Joel Becker
ocfs2_insert_extent() wants to insert a record into the extent map if it's an inode data extent. But since many btrees can call that function, let's make it an op on ocfs2_extent_tree. Other tree types can leave it empty. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_figure_insert_type() no longer needs struct inode.Joel Becker
It's not using it, so remove it from the parameter list. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Remove inode from ocfs2_figure_extent_contig().Joel Becker
It already has an ocfs2_extent_tree and doesn't need the inode. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Swap inode for extent_tree in ocfs2_figure_merge_contig_type().Joel Becker
We don't want struct inode in generic btree operations. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_extent_contig() only requires the superblock.Joel Becker
Don't pass the inode in. We don't want it around for generic btree operations. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_do_insert_extent() and ocfs2_insert_path() no longer need an inode.Joel Becker
They aren't using it, so remove it from their parameter lists. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Give ocfs2_split_record() an extent_tree instead of an inode.Joel Becker
Another on the way to generic btree functions. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_insert_at_leaf() doesn't need struct inode.Joel Becker
Give it an ocfs2_extent_tree and it is happy. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Make truncating the extent map an extent_tree_operation.Joel Becker
ocfs2_remove_extent() wants to truncate the extent map if it's truncating an inode data extent. But since many btrees can call that function, let's make it an op on ocfs2_extent_tree. Other tree types can leave it empty. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_truncate_rec() doesn't need struct inode.Joel Becker
It's not using it anymore. Remove it from the parameter list. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_grow_branch() and ocfs2_append_rec_to_path() lose struct inode.Joel Becker
ocfs2_grow_branch() not really using it other than to pass it to the subfunctions ocfs2_shift_tree_depth(), ocfs2_find_branch_target(), and ocfs2_add_branch(). The first two weren't it either, so they drop the argument. ocfs2_add_branch() only passed it to ocfs2_adjust_rightmost_branch(), which drops the inode argument and uses the ocfs2_extent_tree as well. ocfs2_append_rec_to_path() can be take an ocfs2_extent_tree instead of the inode. The function ocfs2_adjust_rightmost_records() goes along for the ride. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_try_to_merge_extent() doesn't need struct inode.Joel Becker
It's not using it, so remove it from the parameter list. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_merge_rec_left/right() no longer need struct inode.Joel Becker
Drop it from the parameters - they already have ocfs2_extent_list. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_rotate_tree_left() no longer needs struct inode.Joel Becker
It already gets ocfs2_extent_tree, so we can just use that. This chains to the same modification for ocfs2_remove_rightmost_path() and ocfs2_rotate_rightmost_leaf_left(). Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: __ocfs2_rotate_tree_left() doesn't need struct inode.Joel Becker
It already has struct ocfs2_extent_tree, which has the caching info. So we don't need to pass it struct inode. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_rotate_subtree_left() doesn't need struct inode.Joel Becker
It already has struct ocfs2_extent_tree, which has the caching info. So we don't need to pass it struct inode. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_update_edge_lengths() doesn't need struct inode.Joel Becker
Pass in the extent tree, which is all we need. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_rotate_tree_right() doesn't need struct inode.Joel Becker
We don't need struct inode in ocfs2_rotate_tree_right() anymore. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Drop struct inode from ocfs2_extent_tree_operations.Joel Becker
We can get to the inode from the caching information. Other parent types don't need it. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Pass ocfs2_extent_tree to ocfs2_get_subtree_root()Joel Becker
Get rid of the inode argument. Use extent_tree instead. This means a few more functions have to pass an extent_tree around. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Get inode out of ocfs2_rotate_subtree_root_right().Joel Becker
Pass the ocfs2_extent_list down through ocfs2_rotate_tree_right() and get rid of struct inode in ocfs2_rotate_subtree_root_right(). Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_complete_edge_insert() doesn't need struct inode at all.Joel Becker
Completely unused argument. Get rid of it. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Pass ocfs2_extent_tree to ocfs2_unlink_path()Joel Becker
ocfs2_unlink_path() doesn't need struct inode, so let's pass it struct ocfs2_extent_tree. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_create_new_meta_bhs() doesn't need struct inode.Joel Becker
Pass struct ocfs2_extent_tree into ocfs2_create_new_meta_bhs(). It no longer needs struct inode or ocfs2_super. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: ocfs2_find_path() only needs the caching infoJoel Becker
ocfs2_find_path and ocfs2_find_leaf() walk our btrees, reading extent blocks. They need struct ocfs2_caching_info for that, but not struct inode. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Pass ocfs2_caching_info to ocfs2_read_extent_block().Joel Becker
extent blocks belong to btrees on more than just inodes, so we want to pass the ocfs2_caching_info structure directly to ocfs2_read_extent_block(). A number of places in alloc.c can now drop struct inode from their argument list. Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Store the ocfs2_caching_info on ocfs2_extent_tree.Joel Becker
What do we cache? Metadata blocks. What are most of our non-inode metadata blocks? Extent blocks for our btrees. struct ocfs2_extent_tree is the main structure for managing those. So let's store the associated ocfs2_caching_info there. This means that ocfs2_et_root_journal_access() doesn't need struct inode anymore, and any place that has an et can refer to et->et_ci instead of INODE_CACHE(inode). Signed-off-by: Joel Becker <joel.becker@oracle.com>
2009-09-04ocfs2: Pass struct ocfs2_caching_info to the journal functions.Joel Becker
The next step in divorcing metadata I/O management from struct inode is to pass struct ocfs2_caching_info to the journal functions. Thus the journal locks a metadata cache with the cache io_lock function. It also can compare ci_last_trans and ci_created_trans directly. This is a large patch because of all the places we change ocfs2_journal_access..(handle, inode, ...) to ocfs2_journal_access..(handle, INODE_CACHE(inode), ...). Signed-off-by: Joel Becker <joel.becker@oracle.com>
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