AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/fs/jbd2
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Linus Torvalds ebeaa8ddb3 Revert "jbd2: speedup jbd2_journal_dirty_metadata()" 
This reverts commit 2143c1965a.

This commit seems to be the cause of the following jbd2 assertion
failure:

   ------------[ cut here ]------------
   kernel BUG at fs/jbd2/transaction.c:1325!
   invalid opcode: 0000 [#1] SMP
   Modules linked in: bnep bluetooth fuse ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 ...
   CPU: 7 PID: 5509 Comm: gcc Not tainted 4.1.0-10944-g2a298679b411 #1
   Hardware name:                  /DH87RL, BIOS RLH8710H.86A.0327.2014.0924.1645 09/24/2014
   task: ffff8803bf866040 ti: ffff880308528000 task.ti: ffff880308528000
   RIP: jbd2_journal_dirty_metadata+0x237/0x290
   Call Trace:
     __ext4_handle_dirty_metadata+0x43/0x1f0
     ext4_handle_dirty_dirent_node+0xde/0x160
     ? jbd2_journal_get_write_access+0x36/0x50
     ext4_delete_entry+0x112/0x160
     ? __ext4_journal_start_sb+0x52/0xb0
     ext4_unlink+0xfa/0x260
     vfs_unlink+0xec/0x190
     do_unlinkat+0x24a/0x270
     SyS_unlink+0x11/0x20
     entry_SYSCALL_64_fastpath+0x12/0x6a
   ---[ end trace ae033ebde8d080b4 ]---

which is not easily reproducible (I've seen it just once, and then Ted
was able to reproduce it once).  Revert it while Ted and Jan try to
figure out what is wrong.

Cc: Jan Kara <jack@suse.cz>
Acked-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-27 09:41:50 -07:00
..
checkpoint.c jbd2: fix ocfs2 corrupt when updating journal superblock fails 2015-06-15 14:36:01 -04:00
commit.c jbd2: fix descriptor block size handling errors with journal_csum 2014-08-28 22:22:29 -04:00
journal.c Merge branch 'akpm' (patches from Andrew) 2015-06-26 09:52:05 -07:00
Kconfig jbd2: remove debug dependency on debug_fs and update Kconfig help text 2013-06-12 23:07:51 -04:00
Makefile
recovery.c jbd2: fix r_count overflows leading to buffer overflow in journal recovery 2015-05-14 19:11:50 -04:00
revoke.c jbd2: get rid of open coded allocation retry loop 2015-06-15 15:45:58 -04:00
transaction.c Revert "jbd2: speedup jbd2_journal_dirty_metadata()" 2015-06-27 09:41:50 -07:00