To allow fsck to reset a zone with inconsistent write pointer, introduce
a helper function f2fs_reset_zone().
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawas...@wdc.com>
---
include/f2fs_fs.h | 1 +
lib/libf2fs_zoned.c | 24 ++++++++++++++++++++++++
2 files changed, 25 insertions(+)
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 7d2cdda..ca6e7c2 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -1299,6 +1299,7 @@ extern int f2fs_get_zone_blocks(int);
typedef int (report_zones_cb_t)(int i, struct blk_zone *blkz, void *opaque);
extern int f2fs_report_zones(int, report_zones_cb_t *, void *);
extern int f2fs_check_zones(int);
+int f2fs_reset_zone(struct device_info *dev, struct blk_zone *blkz);
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 fc4974f..f56fa62 100644
--- a/lib/libf2fs_zoned.c
+++ b/lib/libf2fs_zoned.c
@@ -359,6 +359,24 @@ out:
return ret;
}
+int f2fs_reset_zone(struct device_info *dev, struct blk_zone *blkz)
+{
+ 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;
@@ -456,6 +474,12 @@ int f2fs_check_zones(int i)
return -1;
}
+int f2fs_reset_zone(struct device_info *dev, struct blk_zone *blkz)
+{
+ 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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