To prepare for write pointer consistency fix by fsck, add
f2fs_reset_zone() helper function which calls RESET ZONE command. The
function is added to lib/libf2fs_zoned which gathers zoned block device
related functions.
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawas...@wdc.com>
---
include/f2fs_fs.h | 1 +
lib/libf2fs_zoned.c | 26 ++++++++++++++++++++++++++
2 files changed, 27 insertions(+)
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 1f7ef05..a36927b 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -1303,6 +1303,7 @@ extern int f2fs_report_zone(int, u_int64_t, void *);
typedef int (report_zones_cb_t)(int i, void *, void *);
extern int f2fs_report_zones(int, report_zones_cb_t *, void *);
extern int f2fs_check_zones(int);
+int f2fs_reset_zone(int, void *);
extern int f2fs_reset_zones(int);
#define SIZE_ALIGN(val, size) ((val) + (size) - 1) / (size)
diff --git a/lib/libf2fs_zoned.c b/lib/libf2fs_zoned.c
index 10d6d0b..1335038 100644
--- a/lib/libf2fs_zoned.c
+++ b/lib/libf2fs_zoned.c
@@ -388,6 +388,26 @@ out:
return ret;
}
+int f2fs_reset_zone(int i, void *blkzone)
+{
+ struct blk_zone *blkz = (struct blk_zone *)blkzone;
+ struct device_info *dev = c.devices + i;
+ struct blk_zone_range range;
+ int ret;
+
+ if (!blk_zone_seq(blkz) || blk_zone_empty(blkz))
+ return 0;
+
+ /* Non empty sequential zone: reset */
+ range.sector = blk_zone_sector(blkz);
+ range.nr_sectors = blk_zone_length(blkz);
+ ret = ioctl(dev->fd, BLKRESETZONE, &range);
+ if (ret != 0)
+ ERR_MSG("ioctl BLKRESETZONE failed\n");
+
+ return ret;
+}
+
int f2fs_reset_zones(int j)
{
struct device_info *dev = c.devices + j;
@@ -491,6 +511,12 @@ int f2fs_check_zones(int i)
return -1;
}
+int f2fs_reset_zone(int i, void *blkzone)
+{
+ ERR_MSG("%d: Zoned block devices are not supported\n", i);
+ return -1;
+}
+
int f2fs_reset_zones(int i)
{
ERR_MSG("%d: Zoned block devices are not supported\n", i);
--
2.21.0
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