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Baokun Li
50b2a4f19b
Support for block sizes greater than the page size depends on large folios, which in turn require CONFIG_TRANSPARENT_HUGEPAGE to be enabled. Because the code is wrapped in multiple layers of abstraction, this dependency is rather obscure, so users may not realize it and may be unsure how to enable LBS. As suggested by Theodore, I have added hint messages in sb_set_blocksize so that users can distinguish whether a mount failure with block size larger than page size is due to lack of filesystem support or the absence of CONFIG_TRANSPARENT_HUGEPAGE. Suggested-by: Theodore Ts'o <tytso@mit.edu> Link: https://patch.msgid.link/20251110043226.GD2988753@mit.edu Signed-off-by: Baokun Li <libaokun1@huawei.com> Link: https://patch.msgid.link/20251110124714.1329978-1-libaokun@huaweicloud.com Reviewed-by: Zhang Yi <yi.zhang@huawei.com> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>