ovl: refactor layer parsing helpers
authorAmir Goldstein <amir73il@gmail.com>
Sun, 29 Oct 2023 12:00:39 +0000 (14:00 +0200)
committerAmir Goldstein <amir73il@gmail.com>
Mon, 30 Oct 2023 22:13:02 +0000 (00:13 +0200)
commit819829f0319a759e8a6ccb7e4f1113f3f9f07aa3
treeca166372fafde1186c495d1c77d39381927f29df
parent0cea4c097d97fdc89de488bd4202d0b087ccec58
ovl: refactor layer parsing helpers

In preparation for new mount options to add lowerdirs one by one,
generalize ovl_parse_param_upperdir() into helper ovl_parse_layer()
that will be used for parsing a single lower layers.

Suggested-by: Miklos Szeredi <miklos@szeredi.hu>
Link: https://lore.kernel.org/r/CAJfpegt7VC94KkRtb1dfHG8+4OzwPBLYqhtc8=QFUxpFJE+=RQ@mail.gmail.com/
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
fs/overlayfs/params.c