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zvol: reject suspend attempts when zvol is shutting down

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Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes #17690
This commit is contained in:
Rob Norris
2025-09-04 04:13:09 +10:00
committed by Brian Behlendorf
parent 24baccb75e
commit 56e8ab4a3e
3 changed files with 22 additions and 7 deletions
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module/zfs/zfs_ioctl.c
+2 -2
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@@ -4726,7 +4726,7 @@ zfs_ioc_rollback(const char *fsname, nvlist_t *innvl, nvlist_t *outnvl)
error = error ? error : resume_err;
}
zfs_vfs_rele(zfsvfs);
} else if ((zv = zvol_suspend(fsname)) != NULL) {
} else if (zvol_suspend(fsname, &zv) == 0) {
error = dsl_dataset_rollback(fsname, target, zvol_tag(zv),
outnvl);
zvol_resume(zv);
@@ -5448,7 +5448,7 @@ zfs_ioc_recv_impl(char *tofs, char *tosnap, const char *origin,
}
error = error ? error : end_err;
zfs_vfs_rele(zfsvfs);
} else if ((zv = zvol_suspend(tofs)) != NULL) {
} else if (zvol_suspend(tofs, &zv) == 0) {
error = dmu_recv_end(&drc, zvol_tag(zv));
zvol_resume(zv);
} else {