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| * Btrfs: avoid null dereference and leaks when bailing from open_ctree()Ilya Dryomov2011-11-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix bugs introduced by 6c41761f. Firstly, after failing to allocate any of the tree roots (first 'goto fail' in open_ctree()) we would dereference a NULL fs_info pointer in free_fs_info(). Secondly, after failures from init_srcu_struct(), setup_bdi() and new_inode() we would leak all earlier allocated roots: fs_info fields haven't been initialized yet so free_fs_info() is rendered useless. Fix this by initializing fs_info pointer and fs_info fields before any allocations happen. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
* | Merge branch 'for-linus' of ↵Linus Torvalds2011-11-06
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (114 commits) Btrfs: check for a null fs root when writing to the backup root log Btrfs: fix race during transaction joins Btrfs: fix a potential btrfs_bio leak on scrub fixups Btrfs: rename btrfs_bio multi -> bbio for consistency Btrfs: stop leaking btrfs_bios on readahead Btrfs: stop the readahead threads on failed mount Btrfs: fix extent_buffer leak in the metadata IO error handling Btrfs: fix the new inspection ioctls for 32 bit compat Btrfs: fix delayed insertion reservation Btrfs: ClearPageError during writepage and clean_tree_block Btrfs: be smarter about committing the transaction in reserve_metadata_bytes Btrfs: make a delayed_block_rsv for the delayed item insertion Btrfs: add a log of past tree roots btrfs: separate superblock items out of fs_info Btrfs: use the global reserve when truncating the free space cache inode Btrfs: release metadata from global reserve if we have to fallback for unlink Btrfs: make sure to flush queued bios if write_cache_pages waits Btrfs: fix extent pinning bugs in the tree log Btrfs: make sure btrfs_remove_free_space doesn't leak EAGAIN Btrfs: don't wait as long for more batches during SSD log commit ...
| * Btrfs: check for a null fs root when writing to the backup root logChris Mason2011-11-06
| | | | | | | | | | | | | | | | During log replay, can commit the transaction before the fs_root pointers are setup, so we have to make sure they are not null before trying to use them. Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * Btrfs: stop the readahead threads on failed mountChris Mason2011-11-06
| | | | | | | | | | | | | | If we don't stop them, they linger around corrupting memory by using pointers to freed things. Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * Btrfs: fix extent_buffer leak in the metadata IO error handlingChris Mason2011-11-06
| | | | | | | | | | | | | | The scrub readahead branch brought in a new error handling hook, but it was leaking extent_buffer references. Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * Merge git://git.jan-o-sch.net/btrfs-unstable into integrationChris Mason2011-11-06
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: fs/btrfs/Makefile fs/btrfs/extent_io.c fs/btrfs/extent_io.h fs/btrfs/scrub.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
| | * btrfs: add mirror_num to extent_read_full_pageJan Schmidt2011-09-29
| | | | | | | | | | | | | | | | | | | | | | | | Currently, extent_read_full_page always assumes we are trying to read mirror 0, which generally is the best we can do. To add flexibility, pass it as a parameter. This will be needed by scrub fixup code. Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
| * | Merge branch 'for-chris' of git://github.com/sensille/linux into integrationChris Mason2011-11-06
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: fs/btrfs/ctree.h Signed-off-by: Chris Mason <chris.mason@oracle.com>
| | * | btrfs: hooks for readaheadArne Jansen2011-10-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds the hooks needed for readahead. In the readpage_end_io_hook, the extent state is checked for the EXTENT_READAHEAD flag. Only in this case the readahead hook is called, to keep the impact on non-ra as low as possible. Additionally, a hook for a failed IO is added, otherwise readahead would wait indefinitely for the extent to finish. Changes for v2: - eliminate race condition Signed-off-by: Arne Jansen <sensille@gmx.net>
| | * | btrfs: state information for readaheadArne Jansen2011-10-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add state information for readahead to btrfs_fs_info and btrfs_device Changes v2: - don't wait in radix_trees - add own set of workers for readahead Reviewed-by: Josef Bacik <josef@redhat.com> Signed-off-by: Arne Jansen <sensille@gmx.net>
| | * | btrfs: add READAHEAD extent buffer flagArne Jansen2011-10-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a READAHEAD extent buffer flag. Add a function to trigger a read with this flag set. Changes v2: - use extent buffer flags instead of extent state flags Changes v5: - adapt to changed read_extent_buffer_pages interface - don't return eb from reada_tree_block_flagged if it has CORRUPT flag set Signed-off-by: Arne Jansen <sensille@gmx.net>
| | * | btrfs: add an extra wait mode to read_extent_buffer_pagesArne Jansen2011-10-02
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | read_extent_buffer_pages currently has two modes, either trigger a read without waiting for anything, or wait for the I/O to finish. The former also bails when it's unable to lock the page. This patch now adds an additional parameter to allow it to block on page lock, but don't wait for completion. Changes v5: - merge the 2 wait parameters into one and define WAIT_NONE, WAIT_COMPLETE and WAIT_PAGE_LOCK Change v6: - fix bug introduced in v5 Signed-off-by: Arne Jansen <sensille@gmx.net>
| * | Btrfs: make a delayed_block_rsv for the delayed item insertionJosef Bacik2011-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've been hitting warnings in use_block_rsv when running the delayed insertion stuff. It's because we will readjust global block rsv based on what is in use, which means we could end up discarding reservations that are for the delayed insertion stuff. So instead create a seperate block rsv for the delayed insertion stuff. This will also make it easier to debug problems with the delayed insertion reservations since we will know that only the delayed insertion code touches this block_rsv. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * | Btrfs: add a log of past tree rootsChris Mason2011-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This takes some of the free space in the btrfs super block to record information about most of the roots in the last four commits. It also adds a -o recovery to use the root history log when we're not able to read the tree of tree roots, the extent tree root, the device tree root or the csum root. Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * | btrfs: separate superblock items out of fs_infoDavid Sterba2011-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fs_info has now ~9kb, more than fits into one page. This will cause mount failure when memory is too fragmented. Top space consumers are super block structures super_copy and super_for_commit, ~2.8kb each. Allocate them dynamically. fs_info will be ~3.5kb. (measured on x86_64) Add a wrapper for freeing fs_info and all of it's dynamically allocated members. Signed-off-by: David Sterba <dsterba@suse.cz>
| * | Btrfs: make sure to flush queued bios if write_cache_pages waitsChris Mason2011-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | write_cache_pages tries to build up a large bio to stuff down the pipe. But if it needs to wait for a page lock, it needs to make sure and send down any pending writes so we don't deadlock with anyone who has the page lock and is waiting for writeback of things inside the bio. Dave Sterba triggered this as a deadlock between the autodefrag code and the extent write_cache_pages Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * | Btrfs: allow us to overcommit our enospc reservationsJosef Bacik2011-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One of the things that kills us is the fact that our ENOSPC reservations are horribly over the top in most normal cases. There isn't too much that can be done about this because when we are completely full we really need them to work like this so we don't under reserve. However if there is plenty of unallocated chunks on the disk we can use that to gauge how much we can overcommit. So this patch adds chunk free space accounting so we always know how much unallocated space we have. Then if we fail to make a reservation within our allocated space, check to see if we can overcommit. In the normal flushing case (like with delalloc metadata reservations) we'll take the free space and divide it by 2 if our metadata profile is setup for DUP or any of those, and then divide it by 8 to make sure we don't overcommit too much. Then if we're in a non-flushing case (we really need this reservation now!) we only limit ourselves to half of the free space. This makes this fio test [torrent] filename=torrent-test rw=randwrite size=4g ioengine=sync directory=/mnt/btrfs-test go from taking around 45 minutes to 10 seconds on my freshly formatted 3 TiB file system. This doesn't seem to break my other enospc tests, but could really use some more testing as this is a super scary change. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
| * | Btrfs: put the block group cache after we commit the superJosef Bacik2011-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In moving some enospc stuff around I noticed that when we unmount we are often evicting the free space cache inodes before we do our last commit. This isn't bad, but it makes us constantly have to re-read the inodes back. So instead don't evict the cache until after we do our last commit, this will make things a little less crappy and makes a future enospc change work properly. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
| * | Btrfs: kill the durable block rsv stuffJosef Bacik2011-10-19
| |/ | | | | | | | | | | This is confusing code and isn't used by anything anymore, so delete it. Signed-off-by: Josef Bacik <josef@redhat.com>
* / filesystems: add set_nlink()Miklos Szeredi2011-11-02
|/ | | | | | | | | Replace remaining direct i_nlink updates with a new set_nlink() updater function. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Tested-by: Toshiyuki Okajima <toshi.okajima@jp.fujitsu.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* Merge branch 'for-linus' of ↵Linus Torvalds2011-07-27
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: make sure reserve_metadata_bytes doesn't leak out strange errors Btrfs: use the commit_root for reading free_space_inode crcs Btrfs: reduce extent_state lock contention for metadata Btrfs: remove lockdep magic from btrfs_next_leaf Btrfs: make a lockdep class for each root Btrfs: switch the btrfs tree locks to reader/writer Btrfs: fix deadlock when throttling transactions Btrfs: stop using highmem for extent_buffers Btrfs: fix BUG_ON() caused by ENOSPC when relocating space Btrfs: tag pages for writeback in sync Btrfs: fix enospc problems with delalloc Btrfs: don't flush delalloc arbitrarily Btrfs: use find_or_create_page instead of grab_cache_page Btrfs: use a worker thread to do caching Btrfs: fix how we merge extent states and deal with cached states Btrfs: use the normal checksumming infrastructure for free space cache Btrfs: serialize flushers in reserve_metadata_bytes Btrfs: do transaction space reservation before joining the transaction Btrfs: try to only do one btrfs_search_slot in do_setxattr
| * Btrfs: make a lockdep class for each rootChris Mason2011-07-27
| | | | | | | | | | | | | | | | | | | | | | | | This patch was originally from Tejun Heo. lockdep complains about the btrfs locking because we sometimes take btree locks from two different trees at the same time. The current classes are based only on level in the btree, which isn't enough information for lockdep to figure out if the lock is safe. This patch makes a class for each type of tree, and lumps all the FS trees that actually have files and directories into the same class. Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * Btrfs: stop using highmem for extent_buffersChris Mason2011-07-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The extent_buffers have a very complex interface where we use HIGHMEM for metadata and try to cache a kmap mapping to access the memory. The next commit adds reader/writer locks, and concurrent use of this kmap cache would make it even more complex. This commit drops the ability to use HIGHMEM with extent buffers, and rips out all of the related code. Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * Btrfs: use a worker thread to do cachingJosef Bacik2011-07-27
| | | | | | | | | | | | | | | | | | | | | | | | A user reported a deadlock when copying a bunch of files. This is because they were low on memory and kthreadd got hung up trying to migrate pages for an allocation when starting the caching kthread. The page was locked by the person starting the caching kthread. To fix this we just need to use the async thread stuff so that the threads are already created and we don't have to worry about deadlocks. Thanks, Reported-by: Roman Mamedov <rm@romanrm.ru> Signed-off-by: Josef Bacik <josef@redhat.com>
* | btrfs: kill magical embedded struct superblockAl Viro2011-07-20
|/ | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* btrfs: fix uninitialized return valueDavid Sterba2011-06-17
| | | | | | | | | When allocation fails in btrfs_read_fs_root_no_name, ret is not set although it is returned, holding a garbage value. Signed-off-by: David Sterba <dsterba@suse.cz> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
* btrfs: Remove unused sysfs codeMaarten Lankhorst2011-06-17
| | | | | | | | Removes code no longer used. The sysfs file itself is kept, because the btrfs developers expressed interest in putting new entries to sysfs. Signed-off-by: Maarten Lankhorst <m.b.lankhorst@gmail.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: fix relocation racesChris Mason2011-06-17
| | | | | | | | | | | | | | | The recent commit to get rid of our trans_mutex introduced some races with block group relocation. The problem is that relocation needs to do some record keeping about each root, and it was relying on the transaction mutex to coordinate things in subtle ways. This fix adds a mutex just for the relocation code and makes sure it doesn't have a big impact on normal operations. The race is really fixed in btrfs_record_root_in_trans, which is where we step back and wait for the relocation code to finish accounting setup. Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Btrfs: check the return value from set_anon_superChris Mason2011-06-13
| | | | | | | Al Viro noticed we weren't checking for set_anon_super failures. This adds the required checks. Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Merge branch 'for-chris' of ↵Chris Mason2011-06-10
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arne/btrfs-unstable-arne into for-linus
| * btrfs: reinitialize scrub workersArne Jansen2011-06-10
| | | | | | | | | | | | | | | | Scrub starts the workers each time a scrub starts and stops them after it finished. This patch adds an initialization for the workers before each start, otherwise the workers behave strangely. Signed-off-by: Arne Jansen <sensille@gmx.net>
* | btrfs: fix unlocked access of delalloc_inodesDavid Sterba2011-06-10
|/ | | | | | | | | list_splice_init will make delalloc_inodes empty, but without a spinlock around, this may produce corrupted list head, accessed in many placess, The race window is very tight and nobody seems to have hit it so far. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@oracle.com>
* Merge branch 'for-chris' ofChris Mason2011-05-28
|\ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work into for-linus Conflicts: fs/btrfs/disk-io.c fs/btrfs/extent-tree.c fs/btrfs/free-space-cache.c fs/btrfs/inode.c fs/btrfs/transaction.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * Btrfs: kill trans_mutexJosef Bacik2011-05-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We use trans_mutex for lots of things, here's a basic list 1) To serialize trans_handles joining the currently running transaction 2) To make sure that no new trans handles are started while we are committing 3) To protect the dead_roots list and the transaction lists Really the serializing trans_handles joining is not too hard, and can really get bogged down in acquiring a reference to the transaction. So replace the trans_mutex with a trans_lock spinlock and use it to do the following 1) Protect fs_info->running_transaction. All trans handles have to do is check this, and then take a reference of the transaction and keep on going. 2) Protect the fs_info->trans_list. This doesn't get used too much, basically it just holds the current transactions, which will usually just be the currently committing transaction and the currently running transaction at most. 3) Protect the dead roots list. This is only ever processed by splicing the list so this is relatively simple. 4) Protect the fs_info->reloc_ctl stuff. This is very lightweight and was using the trans_mutex before, so this is a pretty straightforward change. 5) Protect fs_info->no_trans_join. Because we don't hold the trans_lock over the entirety of the commit we need to have a way to block new people from creating a new transaction while we're doing our work. So we set no_trans_join and in join_transaction we test to see if that is set, and if it is we do a wait_on_commit. 6) Make the transaction use count atomic so we don't need to take locks to modify it when we're dropping references. 7) Add a commit_lock to the transaction to make sure multiple people trying to commit the same transaction don't race and commit at the same time. 8) Make open_ioctl_trans an atomic so we don't have to take any locks for ioctl trans. I have tested this with xfstests, but obviously it is a pretty hairy change so lots of testing is greatly appreciated. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
| * Btrfs: take away the num_items argument from btrfs_join_transactionJosef Bacik2011-05-23
| | | | | | | | | | | | | | | | | | I keep forgetting that btrfs_join_transaction() just ignores the num_items argument, which leads me to sending pointless patches and looking stupid :). So just kill the num_items argument from btrfs_join_transaction and btrfs_start_ioctl_transaction, since neither of them use it. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
* | Btrfs: use the device_list_mutex during write_dev_supersChris Mason2011-05-27
| | | | | | | | | | | | | | | | | | write_dev_supers was changed to use RCU to protect the list of devices, but it was then sleeping while it actually wrote the supers. This fixes it to just use the mutex, since we really don't any concurrency in write_dev_supers anyway. Signed-off-by: Chris Mason <chris.mason@oracle.com>
* | Btrfs: add mount -o auto_defragChris Mason2011-05-26
| | | | | | | | | | | | | | | | | | This will detect small random writes into files and queue the up for an auto defrag process. It isn't well suited to database workloads yet, but works for smaller files such as rpm, sqlite or bdb databases. Signed-off-by: Chris Mason <chris.mason@oracle.com>
* | Merge branch 'cleanups_and_fixes' into inode_numbersChris Mason2011-05-23
|\ \ | | | | | | | | | | | | | | | | | | | | | Conflicts: fs/btrfs/tree-log.c fs/btrfs/volumes.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * | Btrfs: using rcu lock in the reader side of devices listXiao Guangrong2011-05-23
| | | | | | | | | | | | | | | | | | | | | | | | fs_devices->devices is only updated on remove and add device paths, so we can use rcu to protect it in the reader side Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * | Btrfs: fix the race between reading and updating devicesXiao Guangrong2011-05-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On btrfs_congested_fn and __unplug_io_fn paths, we should hold device_list_mutex to avoid remove/add device path to update fs_devices->devices On __btrfs_close_devices and btrfs_prepare_sprout paths, the devices in fs_devices->devices or fs_devices->devices is updated, so we should hold the mutex to avoid the reader side to reach them Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * | BTRFS: Remove unused node_lockAndi Kleen2011-05-23
| |/ | | | | | | | | | | | | | | 240f62c8756 replaced the node_lock with rcu_read_lock, but forgot to remove the actual lock in the data structure. Remove it here. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
* | Merge branch 'for-chris' of ↵Chris Mason2011-05-23
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arne/btrfs-unstable-arne into inode_numbers Conflicts: fs/btrfs/Makefile fs/btrfs/ctree.h fs/btrfs/volumes.h Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * | btrfs: scrubArne Jansen2011-05-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds an initial implementation for scrub. It works quite straightforward. The usermode issues an ioctl for each device in the fs. For each device, it enumerates the allocated device chunks. For each chunk, the contained extents are enumerated and the data checksums fetched. The extents are read sequentially and the checksums verified. If an error occurs (checksum or EIO), a good copy is searched for. If one is found, the bad copy will be rewritten. All enumerations happen from the commit roots. During a transaction commit, the scrubs get paused and afterwards continue from the new roots. This commit is based on the series originally posted to linux-btrfs with some improvements that resulted from comments from David Sterba, Ilya Dryomov and Jan Schmidt. Signed-off-by: Arne Jansen <sensille@gmx.net>
* | | Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into ↵Chris Mason2011-05-22
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | inode_numbers Conflicts: fs/btrfs/extent-tree.c fs/btrfs/free-space-cache.c fs/btrfs/inode.c fs/btrfs/tree-log.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * | | btrfs: use printk_ratelimited instead of printk_ratelimitDavid Sterba2011-05-12
| | | | | | | | | | | | | | | | | | | | | | | | As per printk_ratelimit comment, it should not be used. Signed-off-by: David Sterba <dsterba@suse.cz>
| * | | btrfs: remove old unused commented out codeDavid Sterba2011-05-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove code which has been #if0-ed out for a very long time and does not seem to be related to current codebase anymore. Signed-off-by: David Sterba <dsterba@suse.cz>
| * | | btrfs: remove all unused functionsDavid Sterba2011-05-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove static and global declarations and/or definitions. Reduces size of btrfs.ko by ~3.4kB. text data bss dec hex filename 402081 7464 200 409745 64091 btrfs.ko.base 398620 7144 200 405964 631cc btrfs.ko.remove-all Signed-off-by: David Sterba <dsterba@suse.cz>
| * | | btrfs: drop gfp parameter from alloc_extent_bufferDavid Sterba2011-05-02
| | | | | | | | | | | | | | | | | | | | | | | | pass GFP_NOFS directly to kmem_cache_alloc Signed-off-by: David Sterba <dsterba@suse.cz>
| * | | btrfs: drop gfp parameter from find_extent_bufferDavid Sterba2011-05-02
| | | | | | | | | | | | | | | | | | | | | | | | pass GFP_NOFS directly to kmem_cache_alloc Signed-off-by: David Sterba <dsterba@suse.cz>
| * | | btrfs: drop gfp parameter from alloc_extent_mapDavid Sterba2011-05-02
| | | | | | | | | | | | | | | | | | | | | | | | pass GFP_NOFS directly to kmem_cache_alloc Signed-off-by: David Sterba <dsterba@suse.cz>
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