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Fix ro mount option being passed

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"ro" was not parsed out of the string, so it was passed as part of data
to mount().
This would lead to mount() returning an invalid argument code.
Separate out the "ro" option, much like "userxattr", which will allow
the MS-RDONLY mountflag to get set.

Signed-off-by: Ben Foster <bpfoster@gmail.com>
This commit is contained in:
Ben Foster 2023-07-20 16:59:44 -04:00
parent 4d2c887990
commit f3daf32c73
1 changed files with 2 additions and 1 deletions
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3
snapshots/overlay/overlayutils/check.go
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@ -175,7 +175,8 @@ func NeedsUserXAttr(d string) (bool, error) {
}
opts := []string{
fmt.Sprintf("ro,lowerdir=%s:%s,upperdir=%s,workdir=%s", filepath.Join(td, "lower2"), filepath.Join(td, "lower1"), filepath.Join(td, "upper"), filepath.Join(td, "work")),
"ro",
fmt.Sprintf("lowerdir=%s:%s,upperdir=%s,workdir=%s", filepath.Join(td, "lower2"), filepath.Join(td, "lower1"), filepath.Join(td, "upper"), filepath.Join(td, "work")),
"userxattr",
}