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wipe_lv: interruptible wiping

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Since we now block signals and wiping may take unexpectedly long
time - support breaking command while wipe is in progress.
This commit is contained in:
Zdenek Kabelac 2020-10-02 19:31:05 +02:00
parent 7396f1cfee
commit c65d3a6b8a
2 changed files with 16 additions and 0 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.03.11 -
==================================
Support interruption when wipping LVs.
Support interruption for bcache waiting.
Fix bcache when device has too many failing writes.
Fix bcache waiting for IO completion with failing disks.

15
lib/metadata/lv_manip.c
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@ -31,6 +31,7 @@
#include "lib/mm/memlock.h"
#include "lib/locking/lvmlockd.h"
#include "lib/label/label.h"
#include "lib/misc/lvm-signal.h"
typedef enum {
PREFERRED,
@ -7668,12 +7669,19 @@ int wipe_lv(struct logical_volume *lv, struct wipe_params wp)
return 0;
}
sigint_allow();
if (wp.do_wipe_signatures) {
log_verbose("Wiping known signatures on logical volume %s.",
display_lvname(lv));
if (!wipe_known_signatures(lv->vg->cmd, dev, name, 0,
TYPE_DM_SNAPSHOT_COW,
wp.yes, wp.force, NULL)) {
sigint_restore();
if (sigint_caught()) {
log_error("Interrupted initialization logical volume %s.",
display_lvname(lv));
return 0;
}
label_scan_invalidate(dev);
log_error("Filed to wipe signatures of logical volume %s.",
display_lvname(lv));
@ -7706,12 +7714,19 @@ int wipe_lv(struct logical_volume *lv, struct wipe_params wp)
display_lvname(lv), wp.zero_value);
if (!dev_set_bytes(dev, UINT64_C(0), (size_t) zero_sectors << SECTOR_SHIFT, wp.zero_value)) {
sigint_restore();
if (sigint_caught()) {
log_error("Interrupted initialization logical volume %s.",
display_lvname(lv));
return 0;
}
log_error("Failed to initialize %s of logical volume %s with value %d.",
display_size(lv->vg->cmd, zero_sectors),
display_lvname(lv), wp.zero_value);
return 0;
}
}
sigint_restore();
label_scan_invalidate(dev);