[dm-devel] [PATCH 05/10] dm-integrity: allow large ranges
Mikulas Patocka
mpatocka at redhat.com
Mon Apr 29 12:57:21 UTC 2019
This patch changes the type of the variable n_sectors from unsigned to
n_sectors. The following patches will need to lock large ranges.
Signed-off-by: Mikulas Patocka <mpatocka at redhat.com>
---
drivers/md/dm-integrity.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: linux-2.6/drivers/md/dm-integrity.c
===================================================================
--- linux-2.6.orig/drivers/md/dm-integrity.c 2019-04-16 21:21:14.000000000 +0200
+++ linux-2.6/drivers/md/dm-integrity.c 2019-04-16 21:21:14.000000000 +0200
@@ -246,7 +246,7 @@ struct dm_integrity_c {
struct dm_integrity_range {
sector_t logical_sector;
- unsigned n_sectors;
+ sector_t n_sectors;
bool waiting;
union {
struct rb_node node;
@@ -1695,7 +1695,7 @@ retry:
unsigned ws, we, range_sectors;
dio->range.n_sectors = min(dio->range.n_sectors,
- ic->free_sectors << ic->sb->log2_sectors_per_block);
+ (sector_t)ic->free_sectors << ic->sb->log2_sectors_per_block);
if (unlikely(!dio->range.n_sectors)) {
if (from_map)
goto offload_to_thread;
@@ -2153,7 +2153,7 @@ next_chunk:
get_area_and_offset(ic, range.logical_sector, &area, &offset);
range.n_sectors = min((sector_t)RECALC_SECTORS, ic->provided_data_sectors - range.logical_sector);
if (!ic->meta_dev)
- range.n_sectors = min(range.n_sectors, (1U << ic->sb->log2_interleave_sectors) - (unsigned)offset);
+ range.n_sectors = min(range.n_sectors, ((sector_t)1U << ic->sb->log2_interleave_sectors) - (unsigned)offset);
if (unlikely(!add_new_range(ic, &range, true)))
wait_and_add_new_range(ic, &range);
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