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fall back to other file copy methods in clonefile

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This commit is contained in:
Antonio SJ Musumeci 2019-04-13 15:08:13 -04:00
parent 8bd09628ef
commit 2a075ead92
1 changed files with 10 additions and 9 deletions
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19
src/fs_clonefile.cpp
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@ -37,22 +37,23 @@ copydata(const int src_fd_,
{
int rv;
rv = fs::ftruncate(dst_fd_,count_);
if(rv == -1)
return -1;
rv = fs::ficlone(src_fd_,dst_fd_);
if(rv != -1)
return rv;
fs::fadvise_willneed(src_fd_,0,count_);
fs::fadvise_sequential(src_fd_,0,count_);
fs::fallocate(dst_fd_,0,0,count_);
fs::ftruncate(dst_fd_,count_);
rv = fs::ficlone(src_fd_,dst_fd_);
if((rv != -1) || ((rv == -1) && (errno != EOPNOTSUPP)))
return rv;
rv = fs::copy_file_range(src_fd_,dst_fd_,count_);
if((rv != -1) || ((rv == -1) && (errno != EOPNOTSUPP)))
if(rv != -1)
return rv;
rv = fs::sendfile(src_fd_,dst_fd_,count_);
if((rv != -1) || ((rv == -1) && (errno != EINVAL) && (errno != ENOSYS)))
if(rv != -1)
return rv;
return fs::copyfile(src_fd_,dst_fd_);