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lvconvert: Provide entry point for new functionality.

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Prepare for new segment type conversion functionality in cases that
currently fail.  In the short-term, we need to do this while limiting
the changes to the code paths for the conversions that are already
supported.
This commit is contained in:
Alasdair G Kergon 2016-08-03 03:53:29 +01:00
parent fdc3fcbfce
commit 8b1a368b59
1 changed files with 8 additions and 3 deletions
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11
tools/lvconvert.c
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@ -1839,7 +1839,7 @@ static int _lvconvert_raid(struct logical_volume *lv, struct lvconvert_params *l
if (lp->mirrors_supplied && !seg_is_mirrored(seg) && !seg_is_linear(seg)) { if (lp->mirrors_supplied && !seg_is_mirrored(seg) && !seg_is_linear(seg)) {
log_error("'--mirrors/-m' is not compatible with %s.", log_error("'--mirrors/-m' is not compatible with %s.",
lvseg_name(seg)); lvseg_name(seg));
return 0; goto try_new_takeover_or_reshape;
} }
if (!_lvconvert_validate_thin(lv, lp)) if (!_lvconvert_validate_thin(lv, lp))
@ -1849,12 +1849,12 @@ static int _lvconvert_raid(struct logical_volume *lv, struct lvconvert_params *l
log_error("Unable to convert %s from %s to %s.", log_error("Unable to convert %s from %s to %s.",
display_lvname(lv), lvseg_name(seg), display_lvname(lv), lvseg_name(seg),
lp->segtype->name); lp->segtype->name);
return 0; goto try_new_takeover_or_reshape;
} }
if (seg_is_linear(seg) && !lp->merge_mirror && !lp->mirrors_supplied) { if (seg_is_linear(seg) && !lp->merge_mirror && !lp->mirrors_supplied) {
log_error("Raid conversions require -m/--mirrors."); log_error("Raid conversions require -m/--mirrors.");
return 0; goto try_new_takeover_or_reshape;
} }
/* Change number of RAID1 images */ /* Change number of RAID1 images */
@ -1965,6 +1965,11 @@ static int _lvconvert_raid(struct logical_volume *lv, struct lvconvert_params *l
log_error("Conversion operation not yet supported."); log_error("Conversion operation not yet supported.");
try_new_takeover_or_reshape:
;
/* FIXME New takeover and reshape code is called from here */
return 0; return 0;
} }