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| author | Jan Kara | 2016-11-21 00:08:05 +0100 |
|---|---|---|
| committer | Theodore Ts'o | 2016-11-21 00:08:05 +0100 |
| commit | 47e6935136b1f9fbda59cd929409f8e7cee4a1e4 (patch) | |
| tree | 3b744419d652aaf8b045a742b91300667c00b501 /fs/ext4/inode.c | |
| parent | ext4: convert DAX reads to iomap infrastructure (diff) | |
| download | kernel-qcow2-linux-47e6935136b1f9fbda59cd929409f8e7cee4a1e4.tar.gz kernel-qcow2-linux-47e6935136b1f9fbda59cd929409f8e7cee4a1e4.tar.xz kernel-qcow2-linux-47e6935136b1f9fbda59cd929409f8e7cee4a1e4.zip | |
ext4: use iomap for zeroing blocks in DAX mode
Use iomap infrastructure for zeroing blocks when in DAX mode.
ext4_iomap_begin() handles read requests just fine and that's all that
is needed for iomap_zero_range().
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/inode.c')
| -rw-r--r-- | fs/ext4/inode.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 5e0526fed165..6d186ca2c34b 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3859,8 +3859,10 @@ static int ext4_block_zero_page_range(handle_t *handle, if (length > max || length < 0) length = max; - if (IS_DAX(inode)) - return dax_zero_page_range(inode, from, length, ext4_get_block); + if (IS_DAX(inode)) { + return iomap_zero_range(inode, from, length, NULL, + &ext4_iomap_ops); + } return __ext4_block_zero_page_range(handle, mapping, from, length); } |