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ovl: set lower layer st_dev only if setting lower st_ino
authorAmir Goldstein <amir73il@gmail.com>
Wed, 11 Apr 2018 17:09:29 +0000 (20:09 +0300)
committerMiklos Szeredi <mszeredi@redhat.com>
Thu, 12 Apr 2018 10:04:49 +0000 (12:04 +0200)
commit9f99e50d460ac7fd5f6c9b97aad0088c28c8656d
treeba5dc1eb1b4dba7e11e3d26b4e4bfa8603908e9ftree
parent3ec9b3fafcaf441cc4d46b9742cd6ec0c79f8df0commit | diff
ovl: set lower layer st_dev only if setting lower st_ino

For broken hardlinks, we do not return lower st_ino, so we should
also not return lower pseudo st_dev.

Fixes: a0c5ad307ac0 ("ovl: relax same fs constraint for constant st_ino")
Cc: <stable@vger.kernel.org> #v4.15
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
fs/overlayfs/inode.c diff | blob | history
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