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2017-02-28btrfs: Make btrfs_lookup_ordered_range take btrfs_inodeNikolay Borisov6-18/+19
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make btrfs_mark_extent_written take btrfs_inodeNikolay Borisov3-6/+6
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make fill_holes take btrfs_inodeNikolay Borisov1-19/+18
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make hole_mergeable take btrfs_inodeNikolay Borisov1-4/+5
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make btrfs_drop_extent_cache take btrfs_inodeNikolay Borisov6-26/+30
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make btrfs_requeue_inode_defrag take btrfs_inodeNikolay Borisov1-5/+5
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make (__)btrfs_add_inode_defrag take btrfs_inodeNikolay Borisov3-16/+17
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: all btrfs_delalloc_release_metadata take btrfs_inodeNikolay Borisov7-19/+22
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make btrfs_delalloc_reserve_metadata take btrfs_inodeNikolay Borisov4-38/+39
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make btrfs_orphan_release_metadata take btrfs_inodeNikolay Borisov3-8/+8
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make btrfs_orphan_reserve_metadata take btrfs_inodeNikolay Borisov3-7/+7
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make calc_csum_metadata_size take btrfs_inodeNikolay Borisov1-15/+12
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make drop_outstanding_extent take btrfs_inodeNikolay Borisov1-12/+11
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: make btrfs_alloc_data_chunk_ondemand take btrfs_inodeNikolay Borisov3-6/+7
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: make btrfs_is_free_space_inode take btrfs_inodeNikolay Borisov5-19/+20
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make btrfs_i_size_write take btrfs_inodeNikolay Borisov7-19/+18
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make btrfs_set_inode_index take btrfs_inodeNikolay Borisov3-13/+13
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: make btrfs_set_inode_index_count take btrfs_inodeNikolay Borisov1-8/+8
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make btrfs_insert_dir_item take btrfs_inodeNikolay Borisov5-7/+7
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-28btrfs: Make btrfs_log_all_parents take btrfs_inodeNikolay Borisov1-5/+5
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-22Btrfs: use the correct type when creating cow dio extentLiu Bo1-1/+1
'BTRFS_ORDERED_REGULAR' was introduced for the cow case in patch 'Btrfs: specify a new ordered extent type for create_io_em', but it missed the directIO cow case. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Chris Mason <clm@fb.com>
2017-02-22Btrfs: fix deadlock between dedup on same file and starting writebackFilipe Manana1-2/+12
If we are deduping two ranges of the same file we need to make sure that we lock all pages in ascending order, that is, lock first the pages from the range with lower offset and then the pages from the other range, as otherwise we can deadlock with a concurrent task that is starting delalloc (writeback). Example trace: [74073.052218] INFO: task kworker/u32:10:17997 blocked for more than 120 seconds. [74073.053889] Tainted: G W 4.9.0-rc7-btrfs-next-36+ #1 [74073.055071] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [74073.056696] kworker/u32:10 D 0 17997 2 0x00000000 [74073.058606] Workqueue: writeback wb_workfn (flush-btrfs-53176) [74073.061370] ffff880031e79858 ffff8802159d2580 ffff880237004580 ffff880031e79240 [74073.064784] ffff88023f4978c0 ffffc9000817b638 ffffffff814c15e1 0000000000000000 [74073.068386] ffff88023f4978d8 ffff88023f4978c0 000000000017b620 ffff880031e79240 [74073.071712] Call Trace: [74073.072884] [<ffffffff814c15e1>] ? __schedule+0x48f/0x6f4 [74073.075395] [<ffffffff814c1c8b>] ? bit_wait+0x2f/0x2f [74073.077511] [<ffffffff814c18d2>] schedule+0x8c/0xa0 [74073.079440] [<ffffffff814c4b36>] schedule_timeout+0x43/0xff [74073.081637] [<ffffffff8110953e>] ? time_hardirqs_on+0x9/0x14 [74073.083809] [<ffffffff81095c67>] ? trace_hardirqs_on_caller+0x16/0x197 [74073.086314] [<ffffffff810bde98>] ? timekeeping_get_ns+0x1e/0x32 [74073.100654] [<ffffffff810be048>] ? ktime_get+0x41/0x52 [74073.102619] [<ffffffff814c10f0>] io_schedule_timeout+0xa0/0x102 [74073.104771] [<ffffffff814c10f0>] ? io_schedule_timeout+0xa0/0x102 [74073.106969] [<ffffffff814c1ca6>] bit_wait_io+0x1b/0x39 [74073.108954] [<ffffffff814c1fb8>] __wait_on_bit_lock+0x4f/0x99 [74073.110981] [<ffffffff8112b692>] __lock_page+0x6b/0x6d [74073.112833] [<ffffffff8108ceb4>] ? autoremove_wake_function+0x3a/0x3a [74073.115010] [<ffffffffa031178b>] lock_page+0x2f/0x32 [btrfs] [74073.116999] [<ffffffffa0311d9f>] lock_delalloc_pages+0xc7/0x1a0 [btrfs] [74073.119243] [<ffffffffa0313d15>] find_lock_delalloc_range+0xc3/0x1a4 [btrfs] [74073.121636] [<ffffffffa0313e81>] writepage_delalloc.isra.31+0x8b/0x134 [btrfs] [74073.124229] [<ffffffffa0315d69>] __extent_writepage+0x1c1/0x2bf [btrfs] [74073.126372] [<ffffffffa03160f2>] extent_write_cache_pages.isra.30.constprop.49+0x28b/0x36c [btrfs] [74073.129371] [<ffffffffa03165b9>] extent_writepages+0x4b/0x5c [btrfs] [74073.131440] [<ffffffffa02fcb59>] ? insert_reserved_file_extent.constprop.42+0x261/0x261 [btrfs] [74073.134303] [<ffffffff811b4ce4>] ? writeback_sb_inodes+0xe0/0x4a1 [74073.136298] [<ffffffffa02fab7f>] btrfs_writepages+0x28/0x2a [btrfs] [74073.138248] [<ffffffff81138200>] do_writepages+0x23/0x2c [74073.139910] [<ffffffff811b3cab>] __writeback_single_inode+0x105/0x6d2 [74073.142003] [<ffffffff811b4e96>] writeback_sb_inodes+0x292/0x4a1 [74073.136298] [<ffffffffa02fab7f>] btrfs_writepages+0x28/0x2a [btrfs] [74073.138248] [<ffffffff81138200>] do_writepages+0x23/0x2c [74073.139910] [<ffffffff811b3cab>] __writeback_single_inode+0x105/0x6d2 [74073.142003] [<ffffffff811b4e96>] writeback_sb_inodes+0x292/0x4a1 [74073.143911] [<ffffffff811b511b>] __writeback_inodes_wb+0x76/0xae [74073.145787] [<ffffffff811b53ca>] wb_writeback+0x1cc/0x4d7 [74073.147452] [<ffffffff811b60cd>] wb_workfn+0x194/0x37d [74073.149084] [<ffffffff811b60cd>] ? wb_workfn+0x194/0x37d [74073.150726] [<ffffffff8106ce77>] ? process_one_work+0x154/0x4e4 [74073.152694] [<ffffffff8106cf96>] process_one_work+0x273/0x4e4 [74073.154452] [<ffffffff8106d6db>] worker_thread+0x1eb/0x2ca [74073.156138] [<ffffffff8106d4f0>] ? rescuer_thread+0x2b6/0x2b6 [74073.157837] [<ffffffff81072a81>] kthread+0xd5/0xdd [74073.159339] [<ffffffff810729ac>] ? __kthread_unpark+0x5a/0x5a [74073.161088] [<ffffffff814c6257>] ret_from_fork+0x27/0x40 [74073.162680] INFO: lockdep is turned off. [74073.163855] INFO: task do-dedup:30264 blocked for more than 120 seconds. [74073.181180] Tainted: G W 4.9.0-rc7-btrfs-next-36+ #1 [74073.181180] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [74073.185296] fdm-stress D 0 30264 29974 0x00000000 [74073.186810] ffff880089595118 ffff880211b8eac0 ffff880237030380 ffff880089594b00 [74073.188998] ffff88023f2978c0 ffffc900063abb68 ffffffff814c15e1 0000000000000000 [74073.191070] ffff88023f2978d8 ffff88023f2978c0 00000000003abb50 ffff880089594b00 [74073.193286] Call Trace: [74073.193990] [<ffffffff814c15e1>] ? __schedule+0x48f/0x6f4 [74073.195418] [<ffffffff814c1c8b>] ? bit_wait+0x2f/0x2f [74073.196796] [<ffffffff814c18d2>] schedule+0x8c/0xa0 [74073.198163] [<ffffffff814c4b36>] schedule_timeout+0x43/0xff [74073.199621] [<ffffffff81095df5>] ? trace_hardirqs_on+0xd/0xf [74073.201100] [<ffffffff810bde98>] ? timekeeping_get_ns+0x1e/0x32 [74073.202686] [<ffffffff810be048>] ? ktime_get+0x41/0x52 [74073.204051] [<ffffffff814c10f0>] io_schedule_timeout+0xa0/0x102 [74073.205585] [<ffffffff814c10f0>] ? io_schedule_timeout+0xa0/0x102 [74073.207123] [<ffffffff814c1ca6>] bit_wait_io+0x1b/0x39 [74073.208238] [<ffffffff814c1fb8>] __wait_on_bit_lock+0x4f/0x99 [74073.208871] [<ffffffff8112b692>] __lock_page+0x6b/0x6d [74073.209430] [<ffffffff8108ceb4>] ? autoremove_wake_function+0x3a/0x3a [74073.210101] [<ffffffff8112b800>] lock_page+0x2f/0x32 [74073.210636] [<ffffffff8112c502>] pagecache_get_page+0x5e/0x153 [74073.211270] [<ffffffffa03257eb>] gather_extent_pages+0x4e/0x109 [btrfs] [74073.212166] [<ffffffffa032a04c>] btrfs_dedupe_file_range+0x1e1/0x4dd [btrfs] [74073.213257] [<ffffffff8118d9b5>] vfs_dedupe_file_range+0x1c1/0x221 [74073.214086] [<ffffffff8119e0c4>] do_vfs_ioctl+0x442/0x600 [74073.214767] [<ffffffff811a7874>] ? rcu_read_unlock+0x5b/0x5d [74073.215619] [<ffffffff811a7953>] ? __fget+0x6b/0x77 [74073.216338] [<ffffffff8119e2d9>] SyS_ioctl+0x57/0x79 [74073.217149] [<ffffffff814c5fea>] entry_SYSCALL_64_fastpath+0x18/0xad [74073.218102] [<ffffffff81109552>] ? time_hardirqs_off+0x9/0x14 [74073.218968] [<ffffffff810938ce>] ? trace_hardirqs_off_caller+0x1f/0xaa [74073.219938] INFO: lockdep is turned off. What happened was the following: CPU 1 CPU 2 btrfs_dedupe_file_range() --> using same inode as source and target --> src range is [768K, 1Mb[ --> dst range is [0, 256K[ btrfs_cmp_data_prepare() --> calls gather_extent_pages() for range [768K, 1Mb[ and locks all pages in that range do_writepages() btrfs_writepages() extent_writepages() extent_write_cache_pages() __extent_writepage() writepage_delalloc() find_lock_delalloc_range() --> finds range [0, 1Mb[ lock_delalloc_pages() --> locks all pages in the range [0, 768K[ --> tries to lock page at offset 768K --> deadlock --> calls gather_extent_pages() to lock pages in the range [0, 256K[ --> deadlock, task at CPU 1 already locked that range and it's trying to lock the range we locked previously So fix this by making sure that during a dedup we always lock first the pages from the range with lower offset. Signed-off-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Chris Mason <clm@fb.com>
2017-02-17btrfs: use btrfs_debug instead of pr_debug in transaction abortJeff Mahoney1-1/+2
Commit e5d6b12fe14 (Btrfs: don't WARN() in btrfs_transaction_abort() for IO errors) added a pr_debug call to be printed when a transaction is aborted with -EIO instead of WARN. btrfs_debug prints which file system the message is associated with so let's use that instead. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: btrfs_truncate_free_space_cache always allocates pathJeff Mahoney1-7/+7
btrfs_truncate_free_space_cache always allocates a btrfs_path structure but only uses it when the caller passes a block group. Let's move the allocation and free into the conditional. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: free-space-cache, clean up unnecessary root argumentsJeff Mahoney5-26/+22
The free space cache APIs accept a root but always use the tree root. Also, btrfs_truncate_free_space_cache accepts a root AND an inode but the inode always points to the root anyway, so let's just pass the inode. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: convert btrfs_inc_block_group_ro to accept fs_infoJeff Mahoney4-6/+5
btrfs_inc_block_group_ro is either passed the extent root or the dev root, but it doesn't do anything with the dev tree. Let's convert to passing an fs_info and using the extent root. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: flush_space always takes fs_info->fs_rootJeff Mahoney1-10/+10
We don't need to pass a root to flush_space since it always uses the fs_root. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: pass fs_info to (more) routines that are only called with extent_rootJeff Mahoney1-50/+53
Outside of interactions with qgroups, the roots passed in extent-tree.c are usually passed to ensure that we don't do refcounts on log trees or to get the allocation profile for an allocation request. Otherwise, it operates on the extent root. This patch converts some more routines in extent-tree.c that are always called with the extent root to accept an fs_info instead. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: qgroup: Move half of the qgroup accounting time out of commit transQu Wenruo3-11/+75
Just as Filipe pointed out, the most time consuming parts of qgroup are btrfs_qgroup_account_extents() and btrfs_qgroup_prepare_account_extents(). Which both call btrfs_find_all_roots() to get old_roots and new_roots ulist. What makes things worse is, we're calling that expensive btrfs_find_all_roots() at transaction committing time with TRANS_STATE_COMMIT_DOING, which will blocks all incoming transaction. Such behavior is necessary for @new_roots search as current btrfs_find_all_roots() can't do it correctly so we do call it just before switch commit roots. However for @old_roots search, it's not necessary as such search is based on commit_root, so it will always be correct and we can move it out of transaction committing. This patch moves the @old_roots search part out of commit_transaction(), so in theory we can half the time qgroup time consumption at commit_transaction(). But please note that, this won't speedup qgroup overall, the total time consumption is still the same, just reduce the performance stall. Cc: Filipe Manana <fdmanana@suse.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Reviewed-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from adjust_slots_upwardsDavid Sterba1-3/+2
Never used. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameters from __btrfs_write_out_cacheDavid Sterba1-8/+3
Both unused after the call to update_cache_item has been moved to __btrfs_wait_cache_io. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from cleanup_write_cache_enospcDavid Sterba1-3/+2
bitmap_list is unused since the io_ctl framework. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from __add_inode_refDavid Sterba1-2/+1
Unused since the helper has been split, eb used in the caller. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from clone_copy_inline_extentDavid Sterba1-3/+2
Never used. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameters from btrfs_cmp_dataDavid Sterba1-3/+2
After the page locking has been reworked, we get all pages prepared via cmp_pages. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from __add_inline_refsDavid Sterba1-3/+2
Never used. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameters from scrub_setup_wr_ctxDavid Sterba1-7/+3
Never used. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from create_snapshotDavid Sterba1-2/+2
The name parameters have never been used, as the name is passed via the dentry. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from init_first_rw_deviceDavid Sterba1-5/+3
The 'device' used to be added in that function, but now it's done by the caller. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from __btrfs_alloc_chunkDavid Sterba1-6/+4
We grab fs_info from other parameters. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from btrfs_fill_superDavid Sterba1-3/+2
Never used for anything meaningful since we have our own superblock filler. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from extent_write_cache_pagesDavid Sterba1-4/+2
The 'tree' was used to call locking hook that does not exist anymore. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from add_pending_csumsDavid Sterba1-4/+2
Never used. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from update_nr_writtenDavid Sterba1-4/+4
The logic has been updated in "Btrfs: make mapping->writeback_index point to the last written page" (a91326679f2a0a4c2) and page is not needed anymore. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from submit_extent_pageDavid Sterba1-9/+3
This used to hold number of maximum pages to allocate, but this is now limited by BIO_MAX_PAGES. The local are now unused and removed as well. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from tree_move_next_or_upnextDavid Sterba1-4/+2
Not needed. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from tree_move_downDavid Sterba1-2/+2
Never needed. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from btrfs_check_super_validDavid Sterba1-5/+3
None of the checks need to know the ro/rw status as they're all not changing the superblock. Moreover, we can access the sb flags directly if we'd need to decide by the ro/rw status. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from btrfs_prepare_extent_commitDavid Sterba3-5/+3
Added but never used. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
2017-02-17btrfs: remove unused parameter from btrfs_subvolume_release_metadataDavid Sterba3-11/+6
Unused since qgroup refactoring that split data and metadata accounting, the btrfs_qgroup_free helper. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
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