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ext4: add helper to check quota inums
commit 07342ec upstream. Before quota is enabled, a check on the preset quota inums in ext4_super_block is added to prevent wrong quota inodes from being loaded. In addition, when the quota fails to be enabled, the quota type and quota inum are printed to facilitate fault locating. Signed-off-by: Baokun Li <libaokun1@huawei.com> Reviewed-by: Jason Yan <yanaijie@huawei.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20221026042310.3839669-3-libaokun1@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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