]> www.infradead.org Git - users/jedix/linux-maple.git/commit
fsdax: dedup file range to use a compare function
authorShiyang Ruan <ruansy.fnst@fujitsu.com>
Fri, 3 Jun 2022 05:37:36 +0000 (13:37 +0800)
committerLiam R. Howlett <Liam.Howlett@oracle.com>
Wed, 20 Jul 2022 00:15:05 +0000 (20:15 -0400)
commit2f470919f01d4b2d96ede44dc1ce0650b836329d
tree54374f89d0a254a29549f367e0a8b4777a331110
parent6b4eae27e12e7b9b4dbb889725abbb33ca9f5377
fsdax: dedup file range to use a compare function

With dax we cannot deal with readpage() etc.  So, we create a dax
comparison function which is similar with vfs_dedupe_file_range_compare().
And introduce dax_remap_file_range_prep() for filesystem use.

Link: https://lkml.kernel.org/r/20220603053738.1218681-13-ruansy.fnst@fujitsu.com
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.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.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>
Cc: Ritesh Harjani <riteshh@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
fs/dax.c
fs/remap_range.c
fs/xfs/xfs_reflink.c
include/linux/dax.h
include/linux/fs.h