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e3a00a2378
Instead of computing the number of descriptor blocks a transaction can have each time we need it (which is currently when starting each transaction but will become more frequent later) precompute the number once during journal initialization together with maximum transaction size. We perform the precomputation whenever journal feature set is updated similarly as for computation of journal->j_revoke_records_per_block. CC: stable@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Zhang Yi <yi.zhang@huawei.com> Link: https://patch.msgid.link/20240624170127.3253-2-jack@suse.cz Signed-off-by: Theodore Ts'o <tytso@mit.edu>