Allison Karlitskaya
137a2b1208
Since 8065d02e26 ("copy: Fix error handling in fd_copy_directory()")
we immediately abort recursive copy operations on ENOSPC. Let's also
abort on the common case of filesystems not supporting fs-verity: if
it's unsupported for one file, it's unlikely to work for the 1000s that
follow it.
We do this by mapping the two fs-verity "not supported" errors (ENOTTY,
EOPNOTSUPP) to ESOCKTNOSUPPORT as a special "fs-verity not supported
here" error. When we see that error at the top level we exit
immediately.
This prevents us from having to see the same error message literally
thousands of time when using fsverity=copy with systemd-repart on a
filesystem which lacks the proper support.
Adjust the test-copy test case to expect the new errno. Previously this
test case would output multiple failure lines per `copy_tree_at()`
invocation (for the failing cases) but now it only outputs one.
System and Service Manager
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