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Btrfs: avoid deadlocks during reservations in btrfs_truncate_block
authorJosef Bacik <jbacik@fb.com>
Wed, 20 Jul 2016 23:48:45 +0000 (16:48 -0700)
committerChris Mason <clm@fb.com>
Wed, 20 Jul 2016 23:58:04 +0000 (16:58 -0700)
commitbac357dcec2956f01df9da5365be257741b534dc
treef696c4ea2ce8b51c9fe58f9bd5c6411693f7fc2dtree | snapshot (tar.gz zip)
parent24502ebb606baa87ba7b9a097a88398bd6edd2f4commit | diff
Btrfs: avoid deadlocks during reservations in btrfs_truncate_block

The new enospc code makes it possible to deadlock if we don't use
FLUSH_LIMIT during reservations inside a transaction.  This enforces
the correct flush type to avoid both deadlocks and assertions

Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
fs/btrfs/extent-tree.c diff | blob | blame | history