ovl: lookup: do getxattr with mounter's permission

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The getxattr() in ovl_is_opaquedir() was missed when converting all
operations on underlying fs to be done under mounter's permission.

This patch fixes this by moving the ovl_override_creds()/revert_creds() out
from ovl_lookup_real() to ovl_lookup().

Also convert to using vfs_getxattr() instead of directly calling
i_op->getxattr().

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

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This commit is contained in:

Miklos Szeredi 2016-09-16 14:12:11 +02:00

parent 8b326c61de

commit 2b6bc7f48d

1 changed files with 9 additions and 11 deletions

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fs/overlayfs/super.c

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