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(parent: 3844ce8) | patch
ext2: Unmap metadata when zeroing blocks
authorJan Kara <jack@suse.cz>
Tue, 27 Sep 2016 14:35:45 +0000 (16:35 +0200)
committerJan Kara <jack@suse.cz>
Tue, 27 Sep 2016 16:16:55 +0000 (18:16 +0200)
commitf343d7e87946c1d9d255385e09e9d55ef6816cd3
treeed955d6e3106b0f15341ece6ae0bf82221f6bf16tree | snapshot
parent3844ce8c1a636b997dcf409cded6d80b9f5aa154commit | diff
ext2: Unmap metadata when zeroing blocks

When zeroing blocks for DAX allocations, we also have to unmap aliases
in the block device mappings. Otherwise writeback can overwrite zeros
with stale data from block device page cache.

Signed-off-by: Jan Kara <jack@suse.cz>
fs/ext2/inode.c diff | blob | history
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