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ovl: update ctime when changing fileattr

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Currently we keep size, mode and times of overlay inode
as the same as upper inode, so should update ctime when
changing file attribution as well.

Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Chengguang Xu 2021-03-10 10:09:25 +08:00 committed by Miklos Szeredi
parent b71759ef1e
commit d8991e8622
1 changed files with 3 additions and 0 deletions
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3
fs/overlayfs/inode.c
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@ -573,6 +573,9 @@ int ovl_fileattr_set(struct user_namespace *mnt_userns,
BUILD_BUG_ON(OVL_PROT_I_FLAGS_MASK & ~OVL_COPY_I_FLAGS_MASK); BUILD_BUG_ON(OVL_PROT_I_FLAGS_MASK & ~OVL_COPY_I_FLAGS_MASK);
flags |= inode->i_flags & OVL_PROT_I_FLAGS_MASK; flags |= inode->i_flags & OVL_PROT_I_FLAGS_MASK;
inode_set_flags(inode, flags, OVL_COPY_I_FLAGS_MASK); inode_set_flags(inode, flags, OVL_COPY_I_FLAGS_MASK);
/* Update ctime */
ovl_copyattr(ovl_inode_real(inode), inode);
} }
ovl_drop_write(dentry); ovl_drop_write(dentry);
out: out: