Messages in this thread Patch in this message |  | | From | Li Chen <> | | Subject | [PATCH v4 1/4] jbd2: add jinode dirty range accessors | | Date | Fri, 6 Mar 2026 16:56:39 +0800 |
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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 <adilger@dilger.ca> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Li Chen <me@linux.beauty> --- Changes since v3: - Add Reviewed-by: Jan Kara.
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; /** -- 2.53.0
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