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Merge metadata size checking

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Move the code for poolmetadatasize operation into one place.
Report override for minimum and maximum size.
Drop _read_thin_params function its error reporting is handled elsewhere.
This commit is contained in:
Zdenek Kabelac 2012-03-02 20:18:25 +00:00
parent d742cdf327
commit 79c42c6600
1 changed files with 23 additions and 37 deletions
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60
tools/lvcreate.c
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@ -293,15 +293,29 @@ static int _update_extents_params(struct volume_group *vg,
break;
}
if (lp->create_thin_pool && !arg_count(vg->cmd, poolmetadatasize_ARG))
/* Defaults to nr_pool_blocks * 64b */
lp->poolmetadatasize = (uint64_t) lp->extents * vg->extent_size /
(uint64_t) (lp->chunk_size * (SECTOR_SIZE / UINT64_C(64)));
if (lp->create_thin_pool) {
if (!arg_count(vg->cmd, poolmetadatasize_ARG))
/* Defaults to nr_pool_blocks * 64b */
lp->poolmetadatasize = (uint64_t) lp->extents * vg->extent_size /
(uint64_t) (lp->chunk_size * (SECTOR_SIZE / UINT64_C(64)));
if (lp->poolmetadatasize &&
!(lp->poolmetadataextents = extents_from_size(vg->cmd, lp->poolmetadatasize,
vg->extent_size)))
return_0;
if (lp->poolmetadatasize > (2 * DEFAULT_THIN_POOL_MAX_METADATA_SIZE)) {
if (arg_count(vg->cmd, poolmetadatasize_ARG))
log_warn("WARNING: Maximum supported pool metadata size is 16GB.");
lp->poolmetadatasize = 2 * DEFAULT_THIN_POOL_MAX_METADATA_SIZE;
} else if (lp->poolmetadatasize < (2 * DEFAULT_THIN_POOL_MIN_METADATA_SIZE)) {
if (arg_count(vg->cmd, poolmetadatasize_ARG))
log_warn("WARNING: Minimum supported pool metadata size is 2M.");
lp->poolmetadatasize = 2 * DEFAULT_THIN_POOL_MIN_METADATA_SIZE;
}
log_verbose("Setting pool metadata size to %" PRIu64 " sectors.",
lp->poolmetadatasize);
if (!(lp->poolmetadataextents =
extents_from_size(vg->cmd, lp->poolmetadatasize, vg->extent_size)))
return_0;
}
return 1;
}
@ -511,33 +525,6 @@ static int _read_raid_params(struct lvcreate_params *lp,
return 1;
}
static int _read_thin_params(struct lvcreate_params *lp,
struct cmd_context *cmd)
{
if (!seg_is_thin(lp)) {
if (lp->poolmetadatasize) {
log_error("Pool metadata size option is only for pool creation.");
return 0;
}
return 1;
}
if (lp->create_thin_pool) {
if (lp->poolmetadatasize > (2 * DEFAULT_THIN_POOL_MAX_METADATA_SIZE)) {
log_warn("WARNING: Maximum supported pool metadata size is 16GB.");
lp->poolmetadatasize = 2 * DEFAULT_THIN_POOL_MAX_METADATA_SIZE;
} else if (lp->poolmetadatasize < (2 * DEFAULT_THIN_POOL_MIN_METADATA_SIZE))
lp->poolmetadatasize = 2 * DEFAULT_THIN_POOL_MIN_METADATA_SIZE;
log_verbose("Setting pool metadata size to %" PRIu64 " sectors.",
lp->poolmetadatasize);
} else if (lp->poolmetadatasize) {
log_error("Pool metadata size options is only for pool creation.");
return 0;
}
return 1;
}
static int _read_activation_params(struct lvcreate_params *lp, struct cmd_context *cmd)
{
unsigned pagesize;
@ -737,8 +724,7 @@ static int _lvcreate_params(struct lvcreate_params *lp,
!_read_size_params(lp, lcp, cmd) ||
!get_stripe_params(cmd, &lp->stripes, &lp->stripe_size) ||
!_read_mirror_params(lp, cmd) ||
!_read_raid_params(lp, cmd) ||
!_read_thin_params(lp, cmd))
!_read_raid_params(lp, cmd))
return_0;
if (lp->snapshot && lp->thin && arg_count(cmd, chunksize_ARG))