dm-integrity: introduce rw_journal_sectors Introduce a function rw_journal_sectors that takess sector and length as its arguments instead of a section and the number of sections. This functions will be used in further patches. Signed-off-by: Mikulas Patocka --- drivers/md/dm-integrity.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) Index: linux-2.6/drivers/md/dm-integrity.c =================================================================== --- linux-2.6.orig/drivers/md/dm-integrity.c 2019-03-25 16:04:46.000000000 +0100 +++ linux-2.6/drivers/md/dm-integrity.c 2019-03-25 16:08:31.000000000 +0100 @@ -761,12 +761,12 @@ static void complete_journal_io(unsigned complete_journal_op(comp); } -static void rw_journal(struct dm_integrity_c *ic, int op, int op_flags, unsigned section, - unsigned n_sections, struct journal_completion *comp) +static void rw_journal_sectors(struct dm_integrity_c *ic, int op, int op_flags, + unsigned sector, unsigned n_sectors, struct journal_completion *comp) { struct dm_io_request io_req; struct dm_io_region io_loc; - unsigned sector, n_sectors, pl_index, pl_offset; + unsigned pl_index, pl_offset; int r; if (unlikely(dm_integrity_failed(ic))) { @@ -775,9 +775,6 @@ static void rw_journal(struct dm_integri return; } - sector = section * ic->journal_section_sectors; - n_sectors = n_sections * ic->journal_section_sectors; - pl_index = sector >> (PAGE_SHIFT - SECTOR_SHIFT); pl_offset = (sector << SECTOR_SHIFT) & (PAGE_SIZE - 1); @@ -810,6 +807,17 @@ static void rw_journal(struct dm_integri } } +static void rw_journal(struct dm_integrity_c *ic, int op, int op_flags, unsigned section, + unsigned n_sections, struct journal_completion *comp) +{ + unsigned sector, n_sectors; + + sector = section * ic->journal_section_sectors; + n_sectors = n_sections * ic->journal_section_sectors; + + rw_journal_sectors(ic, op, op_flags, sector, n_sectors, comp); +} + static void write_journal(struct dm_integrity_c *ic, unsigned commit_start, unsigned commit_sections) { struct journal_completion io_comp;