Btrfs: fix autodefrag and umount lockup

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This happens because writeback_inodes_sb_nr_if_idle does down_read.  This
doesn't work for us and it has not been fixed upstream yet, so do it
ourselves and use that instead so we can stop having this stupid long
standing lockup.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

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Josef Bacik 2012-12-14 13:46:43 -05:00 • committed by Chris Mason

parent 9185aa587b

commit 1135d6df22

1 changed files with 17 additions and 2 deletions

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19

fs/btrfs/extent-tree.c

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