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authorcjihrig <cjihrig@gmail.com>2017-08-18 16:03:57 -0400
committercjihrig <cjihrig@gmail.com>2018-03-05 10:18:30 -0500
commitdb918361ebe4ef0435faf225345c2c67c8759e32 (patch)
tree0b065e70076fb05310d591c33502212e9b8e8eff /docs/src
parentcb1acaa46fcaa9aa47c63c9f10852cc938ec9767 (diff)
downloadlibuv-db918361ebe4ef0435faf225345c2c67c8759e32.tar.gz
libuv-db918361ebe4ef0435faf225345c2c67c8759e32.zip
unix: add UV_FS_COPYFILE_FICLONE support
UV_FS_COPYFILE_FICLONE attemps to use copy-on-write semantics in uv_fs_copyfile(). If CoW is not available, it falls back to a normal copy operation. Refs: https://github.com/libuv/libuv/pull/1465 PR-URL: https://github.com/libuv/libuv/pull/1491 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Diffstat (limited to 'docs/src')
-rw-r--r--docs/src/fs.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/src/fs.rst b/docs/src/fs.rst
index 87af828a..77096eff 100644
--- a/docs/src/fs.rst
+++ b/docs/src/fs.rst
@@ -249,6 +249,9 @@ API
- `UV_FS_COPYFILE_EXCL`: If present, `uv_fs_copyfile()` will fail with
`UV_EEXIST` if the destination path already exists. The default behavior
is to overwrite the destination if it exists.
+ - `UV_FS_COPYFILE_FICLONE`: If present, `uv_fs_copyfile()` will attempt to
+ create a copy-on-write reflink. If the underlying platform does not
+ support copy-on-write, then a fallback copy mechanism is used.
.. warning::
If the destination path is created, but an error occurs while copying
@@ -258,6 +261,8 @@ API
.. versionadded:: 1.14.0
+ .. versionchanged:: 1.20.0 `UV_FS_COPYFILE_FICLONE` is supported.
+
.. c:function:: int uv_fs_sendfile(uv_loop_t* loop, uv_fs_t* req, uv_file out_fd, uv_file in_fd, int64_t in_offset, size_t length, uv_fs_cb cb)
Limited equivalent to :man:`sendfile(2)`.