Provide a helper to fetch jinode dirty ranges in bytes. This lets filesystem callbacks avoid depending on the internal representation, preparing for a later conversion to page units. Suggested-by: Andreas Dilger Signed-off-by: Li Chen --- Changes since v2: - New patch: add jbd2_jinode_get_dirty_range() helper. include/linux/jbd2.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index a53a00d36228c..64392baf5f4b4 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -445,6 +445,20 @@ struct jbd2_inode { loff_t i_dirty_end; }; +static inline bool jbd2_jinode_get_dirty_range(const struct jbd2_inode *jinode, + loff_t *start, loff_t *end) +{ + loff_t start_byte = jinode->i_dirty_start; + loff_t end_byte = jinode->i_dirty_end; + + if (!end_byte) + return false; + + *start = start_byte; + *end = end_byte; + return true; +} + struct jbd2_revoke_table_s; /** -- 2.52.0