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Upstream: Add snapshot and zvol events

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For kernel to send snapshot mount/unmount events to zed.

For kernel to send symlink creates/removes on zvol plumbing.
(/dev/run/dsk/zvol/$pool/$zvol -> /dev/diskX)

If zed misses the ENODEV, all errors after are EINVAL. Treat any error
as kernel module failure.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Jorgen Lundman <lundman@lundman.net>
Closes #12416
This commit is contained in:
Jorgen Lundman
2021-09-10 02:44:21 +09:00
committed by GitHub
parent 2079111f42
commit 5a54a4e051
8 changed files with 70 additions and 1 deletions
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include/sys/zio.h
+2
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@@ -673,6 +673,8 @@ extern int zfs_ereport_post_checksum(spa_t *spa, vdev_t *vd,
struct zio_bad_cksum *info);
void zio_vsd_default_cksum_report(zio_t *zio, zio_cksum_report_t *zcr);
extern void zfs_ereport_snapshot_post(const char *subclass, spa_t *spa,
const char *name);
/* Called from spa_sync(), but primarily an injection handler */
extern void spa_handle_ignored_writes(spa_t *spa);