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| /openbmc/linux/fs/overlayfs/ |
| H A D | namei.c | 0a8d0b64 Sun Aug 23 09:38:17 CDT 2020 Kevin Locke <kevin@kevinlocke.name> ovl: warn about orphan metacopy
When the lower file of a metacopy is inaccessible, -EIO is returned. For
users not familiar with overlayfs internals, such as myself, the meaning of
this error may not be apparent or easy to determine, since the (metacopy)
file is present and open/stat succeed when accessed outside of the overlay.
Add a rate-limited warning for orphan metacopy to give users a hint when
investigating such errors.
Link: https://lore.kernel.org/linux-unionfs/CAOQ4uxi23Zsmfb4rCed1n=On0NNA5KZD74jjjeyz+et32sk-gg@mail.gmail.com/
Signed-off-by: Kevin Locke <kevin@kevinlocke.name>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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