writeback: ensure that WB_SYNC_NONE writeback with sb pinned is sync

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Even if the writeout itself isn't a data integrity operation, we need
to ensure that the caller doesn't drop the sb umount sem before we
have actually done the writeback.

This is a fixup for commit e913fc82.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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Jens Axboe 2010-05-18 14:29:29 +02:00

parent 2db4e42eac

commit 7c8a3554c6

1 changed files with 11 additions and 5 deletions

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fs/fs-writeback.c

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