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| author |   Shiyang Ruan <ruansy.fnst@fujitsu.com> | 2022-06-03 13:37:35 +0800 |
|---|---|---|
| committer |   akpm <akpm@linux-foundation.org> | 2022-07-17 17:14:31 -0700 |
| commit | 8dbfc76da30472cfa07218a27eaaa538f0a49551 (patch) | |
| tree | 982c897aababc1dcca77affc011c0d4967bbbbd1 /include | |
| parent | fsdax: replace mmap entry in case of CoW (diff) | |
| download | linux-dev-8dbfc76da30472cfa07218a27eaaa538f0a49551.tar.xz linux-dev-8dbfc76da30472cfa07218a27eaaa538f0a49551.zip | |
fsdax: add dax_iomap_cow_copy() for dax zero
Punch hole on a reflinked file needs dax_iomap_cow_copy() too. Otherwise,
data in not aligned area will be not correct. So, add the CoW operation
for not aligned case in dax_memzero().
Link: https://lkml.kernel.org/r/20220603053738.1218681-12-ruansy.fnst@fujitsu.com
Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Dan Williams <dan.j.wiliams@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Goldwyn Rodrigues <rgoldwyn@suse.com>
Cc: Goldwyn Rodrigues <rgoldwyn@suse.de>
Cc: Jane Chu <jane.chu@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions