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Posted to commits@nuttx.apache.org by xi...@apache.org on 2024/09/15 02:21:54 UTC
(nuttx) 03/03: driver/ftl: Read the consecutive eraseblocks
This is an automated email from the ASF dual-hosted git repository.
xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git
commit 1af4cdf50078852fade0a44f031e19951b243259
Author: wangjianyu3 <wa...@xiaomi.com>
AuthorDate: Wed Feb 7 15:39:10 2024 +0800
driver/ftl: Read the consecutive eraseblocks
Signed-off-by: wangjianyu3 <wa...@xiaomi.com>
---
drivers/mtd/ftl.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/ftl.c b/drivers/mtd/ftl.c
index 5ec0a68462..86d33c20ad 100644
--- a/drivers/mtd/ftl.c
+++ b/drivers/mtd/ftl.c
@@ -287,6 +287,7 @@ static ssize_t ftl_mtd_bread(FAR struct ftl_struct_s *dev, off_t startblock,
{
off_t startphysicalblock;
off_t starteraseblock;
+ off_t offset;
size_t count;
starteraseblock = startblock / dev->blkper;
@@ -296,11 +297,12 @@ static ssize_t ftl_mtd_bread(FAR struct ftl_struct_s *dev, off_t startblock,
break;
}
+ offset = startblock & mask;
count = ftl_get_cblock(dev, starteraseblock,
- (nblocks + mask) / dev->blkper);
- count = MIN(count * dev->blkper, nblocks);
+ (offset + nblocks + mask) / dev->blkper);
+ count = MIN(count * dev->blkper - offset, nblocks);
startphysicalblock = dev->lptable[starteraseblock] *
- dev->blkper + (startblock & mask);
+ dev->blkper + offset;
ret = MTD_BREAD(dev->mtd, startphysicalblock, count, buffer);
if (ret == count || ret == -EUCLEAN)
{