Copied from: https://github.com/openwrt/openwrt/blob/58a95f0f8ff768b43d68eed2b6a786e0f40f723b/tools/e2fsprogs/patches/005-misc-rename-copy_file_range-to-copy_file_chunk.patch From 01551bdba16ab16512a01affe02ade32c41ede8a Mon Sep 17 00:00:00 2001 From: Palmer Dabbelt Date: Fri, 29 Dec 2017 10:19:51 -0800 Subject: [PATCH] misc: rename copy_file_range to copy_file_chunk As of 2.27, glibc will have a copy_file_range library call to wrap the new copy_file_range system call. This conflicts with the function in misc/create_inode.c, which this patch renames _copy_file_range. Signed-off-by: Palmer Dabbelt Signed-off-by: Theodore Ts'o --- misc/create_inode.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/misc/create_inode.c +++ b/misc/create_inode.c @@ -392,7 +392,7 @@ static ssize_t my_pread(int fd, void *bu } #endif /* !defined HAVE_PREAD64 && !defined HAVE_PREAD */ -static errcode_t copy_file_range(ext2_filsys fs, int fd, ext2_file_t e2_file, +static errcode_t copy_file_chunk(ext2_filsys fs, int fd, ext2_file_t e2_file, off_t start, off_t end, char *buf, char *zerobuf) { @@ -466,7 +466,7 @@ static errcode_t try_lseek_copy(ext2_fil data_blk = data & ~(fs->blocksize - 1); hole_blk = (hole + (fs->blocksize - 1)) & ~(fs->blocksize - 1); - err = copy_file_range(fs, fd, e2_file, data_blk, hole_blk, buf, + err = copy_file_chunk(fs, fd, e2_file, data_blk, hole_blk, buf, zerobuf); if (err) return err; @@ -516,7 +516,7 @@ static errcode_t try_fiemap_copy(ext2_fi } for (i = 0, ext = ext_buf; i < fiemap_buf->fm_mapped_extents; i++, ext++) { - err = copy_file_range(fs, fd, e2_file, ext->fe_logical, + err = copy_file_chunk(fs, fd, e2_file, ext->fe_logical, ext->fe_logical + ext->fe_length, buf, zerobuf); if (err) @@ -569,7 +569,7 @@ static errcode_t copy_file(ext2_filsys f goto out; #endif - err = copy_file_range(fs, fd, e2_file, 0, statbuf->st_size, buf, + err = copy_file_chunk(fs, fd, e2_file, 0, statbuf->st_size, buf, zerobuf); out: ext2fs_free_mem(&zerobuf);