Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'for-6.11/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fix from Mikulas Patocka:
- fix a race condition in dm-integrity
* tag 'for-6.11/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm-integrity: fix a race condition when accessing recalc_sector
+3
-1
+3
-1
drivers/md/dm-integrity.c
+3
-1
drivers/md/dm-integrity.c
···
2174
2174
struct bio *bio = dm_bio_from_per_bio_data(dio, sizeof(struct dm_integrity_io));
2175
2175
unsigned int journal_section, journal_entry;
2176
2176
unsigned int journal_read_pos;
2177
+
sector_t recalc_sector;
2177
2178
struct completion read_comp;
2178
2179
bool discard_retried = false;
2179
2180
bool need_sync_io = ic->internal_hash && dio->op == REQ_OP_READ;
···
2315
2314
goto lock_retry;
2316
2315
}
2317
2316
}
2317
+
recalc_sector = le64_to_cpu(ic->sb->recalc_sector);
2318
2318
spin_unlock_irq(&ic->endio_wait.lock);
2319
2319
2320
2320
if (unlikely(journal_read_pos != NOT_FOUND)) {
···
2370
2368
if (need_sync_io) {
2371
2369
wait_for_completion_io(&read_comp);
2372
2370
if (ic->sb->flags & cpu_to_le32(SB_FLAG_RECALCULATING) &&
2373
-
dio->range.logical_sector + dio->range.n_sectors > le64_to_cpu(ic->sb->recalc_sector))
2371
+
dio->range.logical_sector + dio->range.n_sectors > recalc_sector)
2374
2372
goto skip_check;
2375
2373
if (ic->mode == 'B') {
2376
2374
if (!block_bitmap_op(ic, ic->recalc_bitmap, dio->range.logical_sector,