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(parent: e03a997) | patch
ext4: allow DAX writeback for hole punch
authorRoss Zwisler <ross.zwisler@linux.intel.com>
Thu, 22 Sep 2016 15:49:38 +0000 (11:49 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 22 Sep 2016 15:49:38 +0000 (11:49 -0400)
commitcca32b7eeb4ea24fa6596650e06279ad9130af98
treea73d8f4624a61f84251d921ff98156011b18328ctree | snapshot
parente03a9976afce6634826d56c33531dd10bb9a9166commit | diff
ext4: allow DAX writeback for hole punch

Currently when doing a DAX hole punch with ext4 we fail to do a writeback.
This is because the logic around filemap_write_and_wait_range() in
ext4_punch_hole() only looks for dirty page cache pages in the radix tree,
not for dirty DAX exceptional entries.

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/inode.c diff | blob | history
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