diff mbox series

[03/10] dm-integrity: introduce rw_journal_sectors

Message ID 20190429125739.682320200@debian-a64.vm (mailing list archive)
State Accepted, archived
Delegated to: Mike Snitzer
Headers show
Series dm-integrity bitmap patches | expand

Commit Message

Mikulas Patocka April 29, 2019, 12:57 p.m. UTC 
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 <mpatocka@redhat.com>

---
 drivers/md/dm-integrity.c |   20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)


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diff mbox series

Patch

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;