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ovl: remove WARN_ON() real inode attributes mismatch 

Overlayfs should cope with online changes to underlying layer
without crashing the kernel, which is what xfstest overlay/019
checks.

This test may sometimes trigger WARN_ON() in ovl_create_or_link()
when linking an overlay inode that has been changed on underlying
layer.

Remove those WARN_ON() to prevent the stress test from failing.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Amir Goldstein 2018-05-15 11:57:28 +03:00 committed by Miklos Szeredi
parent 4280f74a57
commit a8b9e0ceed
1 changed files with 0 additions and 7 deletions
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7
fs/overlayfs/dir.c
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@ -510,13 +510,6 @@ static int ovl_create_or_link(struct dentry *dentry, struct inode *inode,
}
out_revert_creds:
revert_creds(old_cred);
if (!err) {
struct inode *realinode = d_inode(ovl_dentry_upper(dentry));
WARN_ON(inode->i_mode != realinode->i_mode);
WARN_ON(!uid_eq(inode->i_uid, realinode->i_uid));
WARN_ON(!gid_eq(inode->i_gid, realinode->i_gid));
}
return err;
}