@@ -15,7 +15,8 @@ use_composefs = "true"
1515This value must be a "string bool", it cannot be a native TOML boolean.
1616
1717However at the current time, composefs requires zstd: chunked images, so first
18- you must be sure that zstd: chunked is enabled. For more, see [ zstd: chunked ] ( containers-storage-zstd-chunked.md ) .
18+ you must be sure that zstd: chunked is enabled.
19+ For more, see [ zstd: chunked ] ( containers-storage-zstd-chunked.md ) .
1920
2021Additionally, not many images are in zstd: chunked format. In order to bridge this gap,
2122` convert_images = "true" ` can be specified which does a dynamic conversion; this adds
@@ -37,10 +38,12 @@ is implemented as an "option" for the `overlay` driver. Some file formats
3738remain unchanged and are inherited from the overlay driver, even when
3839composefs is in use. The primary differences are enumerated below.
3940
40- The ` diff/ ` directory for each layer is no longer a plain unpacking of the tarball,
41- but becomes an "object hash directory", where each filename is the sha256 of its contents. This ` diff/ `
42- directory is the backing store for a ` composefs-data/composefs.blob ` created for
43- each layer which is the composefs "superblock" containing all the non-regular-file content (i.e. metadata) from the tarball.
41+ The ` diff/ ` directory for each layer is no longer a plain unpacking of the
42+ tarball, but becomes an "object hash directory", where each filename is the
43+ sha256 of its contents. This ` diff/ ` directory is the backing store for a
44+ ` composefs-data/composefs.blob ` created for each layer which is the composefs
45+ "superblock" containing all the non-regular-file content (i.e. metadata) from
46+ the tarball.
4447
4548As with ` zstd:chunked ` , existing layers are scanned for matching objects, and reused
4649(via hardlink or reflink as configured) if objects with a matching "full sha256" are
@@ -59,7 +62,7 @@ in the "default overlay" (unpacked) format will be reused as is.
5962
6063## BUGS
6164
62- - https://github.com/containers/storage/issues?q=is%3Aissue+is%3Aopen+label%3Aarea%2Fcomposefs
65+ https://github.com/containers/storage/issues?q=is%3Aissue+is%3Aopen+label%3Aarea%2Fcomposefs
6366
6467## FOOTNOTES
6568The Containers Storage project is committed to inclusivity, a core value of open source.
0 commit comments