ext4: endless truncate due to nonlocked dio readers

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If we have enough aggressive DIO readers, truncate and other dio
waiters will wait forever inside inode_dio_wait(). It is reasonable
to disable nonlock DIO read optimization during truncate.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

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Dmitry Monakhov 2012-09-29 00:56:15 -04:00 • committed by Theodore Ts'o

parent 1c9114f9c0

commit 1b65007e98

1 changed files with 7 additions and 2 deletions

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fs/ext4/inode.c

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