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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-21 13:34:40 +03:00

Accept sizes with --readahead argument.

Store size arguments as sectors internally.
This commit is contained in:
Alasdair Kergon 2007-11-14 00:08:25 +00:00
parent 9a17ce30a0
commit 204a12e594
11 changed files with 38 additions and 36 deletions

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@ -1,5 +1,7 @@
Version 2.02.29 -
==================================
Accept sizes with --readahead argument.
Store size arguments as sectors internally.
Attempt to remove incomplete LVs with lvcreate zeroing/activation problems.
Add read_ahead activation code.
Add activation/readahead configuration option and FMT_RESTRICTED_READAHEAD.

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@ -566,30 +566,27 @@ static int _lvreadahead_disp(struct dm_report *rh, struct dm_pool *mem,
const void *data, void *private __attribute((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
uint64_t size;
if (lv->read_ahead == DM_READ_AHEAD_AUTO) {
dm_report_field_set_value(field, "auto", &_minusone);
return 1;
}
size = (uint64_t) lv->read_ahead;
return _size64_disp(rh, mem, field, &size, private);
return _size32_disp(rh, mem, field, &lv->read_ahead, private);
}
static int _lvkreadahead_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data,
void *private __attribute((unused)))
void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
struct lvinfo info;
if (lv_info(lv->vg->cmd, lv, &info, 0, 1) && info.exists)
return dm_report_field_int(rh, field, &info.read_ahead);
if (!lv_info(lv->vg->cmd, lv, &info, 0, 1) || !info.exists)
return dm_report_field_uint64(rh, field, &_minusone);
return dm_report_field_uint64(rh, field, &_minusone);
return _size32_disp(rh, mem, field, &info.read_ahead, private);
}
static int _vgsize_disp(struct dm_report *rh, struct dm_pool *mem,

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@ -135,7 +135,7 @@ static int _read_params(struct lvconvert_params *lp, struct cmd_context *cmd,
log_error("Negative chunk size is invalid");
return 0;
}
lp->chunk_size = 2 * arg_uint_value(cmd, chunksize_ARG, 8);
lp->chunk_size = arg_uint_value(cmd, chunksize_ARG, 8);
if (lp->chunk_size < 8 || lp->chunk_size > 1024 ||
(lp->chunk_size & (lp->chunk_size - 1))) {
log_error("Chunk size must be a power of 2 in the "
@ -175,8 +175,7 @@ static int _read_params(struct lvconvert_params *lp, struct cmd_context *cmd,
log_error("Negative regionsize is invalid");
return 0;
}
lp->region_size = 2 * arg_uint_value(cmd,
regionsize_ARG, 0);
lp->region_size = arg_uint_value(cmd, regionsize_ARG, 0);
} else {
region_size = 2 * find_config_tree_int(cmd,
"activation/mirror_region_size",

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@ -173,7 +173,7 @@ static int _read_size_params(struct lvcreate_params *lp,
log_error("Negative size is invalid");
return 0;
}
lp->size = arg_uint64_value(cmd, size_ARG, UINT64_C(0)) * 2;
lp->size = arg_uint64_value(cmd, size_ARG, UINT64_C(0));
lp->percent = PERCENT_NONE;
}
@ -195,7 +195,7 @@ static int _validate_stripe_params(struct cmd_context *cmd,
if (lp->stripes > 1 && !lp->stripe_size) {
lp->stripe_size = find_config_tree_int(cmd,
"metadata/stripesize",
DEFAULT_STRIPESIZE) * 2;
DEFAULT_STRIPESIZE);
log_print("Using default stripesize %s",
display_size(cmd, (uint64_t) lp->stripe_size));
}
@ -230,12 +230,12 @@ static int _read_stripe_params(struct lvcreate_params *lp,
return 0;
}
/* Check to make sure we won't overflow lp->stripe_size */
if(arg_uint_value(cmd, stripesize_ARG, 0) > STRIPE_SIZE_LIMIT) {
if(arg_uint_value(cmd, stripesize_ARG, 0) > STRIPE_SIZE_LIMIT * 2) {
log_error("Stripe size cannot be larger than %s",
display_size(cmd, (uint64_t) STRIPE_SIZE_LIMIT));
return 0;
}
lp->stripe_size = 2 * arg_uint_value(cmd, stripesize_ARG, 0);
lp->stripe_size = arg_uint_value(cmd, stripesize_ARG, 0);
}
@ -310,7 +310,7 @@ static int _read_mirror_params(struct lvcreate_params *lp,
log_error("Negative regionsize is invalid");
return 0;
}
lp->region_size = 2 * arg_uint_value(cmd, regionsize_ARG, 0);
lp->region_size = arg_uint_value(cmd, regionsize_ARG, 0);
} else {
region_size = 2 * find_config_tree_int(cmd,
"activation/mirror_region_size",
@ -375,7 +375,7 @@ static int _lvcreate_params(struct lvcreate_params *lp, struct cmd_context *cmd,
log_error("Negative chunk size is invalid");
return 0;
}
lp->chunk_size = 2 * arg_uint_value(cmd, chunksize_ARG, 8);
lp->chunk_size = arg_uint_value(cmd, chunksize_ARG, 8);
if (lp->chunk_size < 8 || lp->chunk_size > 1024 ||
(lp->chunk_size & (lp->chunk_size - 1))) {
log_error("Chunk size must be a power of 2 in the "

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@ -169,6 +169,7 @@ static int _get_int_arg(struct arg *a, char **ptr)
return 1;
}
/* Size stored in sectors */
static int _size_arg(struct cmd_context *cmd __attribute((unused)), struct arg *a, int factor)
{
char *ptr;
@ -211,6 +212,8 @@ static int _size_arg(struct cmd_context *cmd __attribute((unused)), struct arg *
while (i-- > 0)
v *= 1024;
v *= 2;
} else
v *= factor;
@ -224,12 +227,12 @@ static int _size_arg(struct cmd_context *cmd __attribute((unused)), struct arg *
int size_kb_arg(struct cmd_context *cmd, struct arg *a)
{
return _size_arg(cmd, a, 1);
return _size_arg(cmd, a, 2);
}
int size_mb_arg(struct cmd_context *cmd, struct arg *a)
{
return _size_arg(cmd, a, 1024);
return _size_arg(cmd, a, 2048);
}
int int_arg(struct cmd_context *cmd __attribute((unused)), struct arg *a)
@ -377,9 +380,6 @@ int segtype_arg(struct cmd_context *cmd, struct arg *a)
*/
int readahead_arg(struct cmd_context *cmd __attribute((unused)), struct arg *a)
{
if (int_arg(cmd, a))
return 1;
if (!strcasecmp(a->value, "auto")) {
a->ui_value = DM_READ_AHEAD_AUTO;
return 1;
@ -390,7 +390,13 @@ int readahead_arg(struct cmd_context *cmd __attribute((unused)), struct arg *a)
return 1;
}
return 0;
if (!_size_arg(cmd, a, 1))
return 0;
if (a->sign == SIGN_MINUS)
return 0;
return 1;
}
static void __alloc(int size)

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@ -55,7 +55,7 @@ static int validate_stripesize(struct cmd_context *cmd,
return 0;
}
if (arg_uint_value(cmd, stripesize_ARG, 0) > STRIPE_SIZE_LIMIT) {
if (arg_uint_value(cmd, stripesize_ARG, 0) > STRIPE_SIZE_LIMIT * 2) {
log_error("Stripe size cannot be larger than %s",
display_size(cmd, (uint64_t) STRIPE_SIZE_LIMIT));
return 0;
@ -63,16 +63,15 @@ static int validate_stripesize(struct cmd_context *cmd,
if (!(vg->fid->fmt->features & FMT_SEGMENTS))
log_warn("Varied stripesize not supported. Ignoring.");
else if (arg_uint_value(cmd, stripesize_ARG, 0) > vg->extent_size) {
else if (arg_uint_value(cmd, stripesize_ARG, 0) > vg->extent_size * 2) {
log_error("Reducing stripe size %s to maximum, "
"physical extent size %s",
display_size(cmd,
(uint64_t) arg_uint_value(cmd, stripesize_ARG, 0) * 2),
(uint64_t) arg_uint_value(cmd, stripesize_ARG, 0)),
display_size(cmd, (uint64_t) vg->extent_size));
lp->stripe_size = vg->extent_size;
} else
lp->stripe_size = 2 * arg_uint_value(cmd,
stripesize_ARG, 0);
lp->stripe_size = arg_uint_value(cmd, stripesize_ARG, 0);
if (lp->mirrors) {
log_error("Mirrors and striping cannot be combined yet.");
@ -208,7 +207,7 @@ static int _lvresize_params(struct cmd_context *cmd, int argc, char **argv,
/* Size returned in kilobyte units; held in sectors */
if (arg_count(cmd, size_ARG)) {
lp->size = arg_uint64_value(cmd, size_ARG, UINT64_C(0)) * 2;
lp->size = arg_uint64_value(cmd, size_ARG, UINT64_C(0));
lp->sign = arg_sign_value(cmd, size_ARG, SIGN_NONE);
lp->percent = PERCENT_NONE;
}

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@ -186,14 +186,13 @@ static int pvcreate_single(struct cmd_context *cmd, const char *pv_name,
log_error("Physical volume size may not be negative");
goto error;
}
size = arg_uint64_value(cmd, physicalvolumesize_ARG, UINT64_C(0)) * 2;
size = arg_uint64_value(cmd, physicalvolumesize_ARG, UINT64_C(0));
if (arg_sign_value(cmd, metadatasize_ARG, 0) == SIGN_MINUS) {
log_error("Metadata size may not be negative");
goto error;
}
pvmetadatasize = arg_uint64_value(cmd, metadatasize_ARG, UINT64_C(0))
* 2;
pvmetadatasize = arg_uint64_value(cmd, metadatasize_ARG, UINT64_C(0));
if (!pvmetadatasize)
pvmetadatasize = find_config_tree_int(cmd,
"metadata/pvmetadatasize",

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@ -56,7 +56,7 @@ int pvresize(struct cmd_context *cmd, int argc, char **argv)
}
params.new_size = arg_uint64_value(cmd, physicalvolumesize_ARG,
UINT64_C(0)) * 2;
UINT64_C(0));
params.done = 0;
params.total = 0;

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@ -388,7 +388,7 @@ static int _vgchange_pesize(struct cmd_context *cmd, struct volume_group *vg)
return EINVALID_CMD_LINE;
}
extent_size = arg_uint_value(cmd, physicalextentsize_ARG, 0) * 2;
extent_size = arg_uint_value(cmd, physicalextentsize_ARG, 0);
if (!extent_size) {
log_error("Physical extent size may not be zero");
return EINVALID_CMD_LINE;

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@ -61,7 +61,7 @@ static int vgconvert_single(struct cmd_context *cmd, const char *vg_name,
}
pvmetadatasize = arg_uint64_value(cmd, metadatasize_ARG,
UINT64_C(0)) * 2;
UINT64_C(0));
if (!pvmetadatasize)
pvmetadatasize =
find_config_tree_int(cmd,

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@ -77,7 +77,7 @@ int vgcreate(struct cmd_context *cmd, int argc, char **argv)
/* Units of 512-byte sectors */
extent_size =
arg_uint_value(cmd, physicalextentsize_ARG, DEFAULT_EXTENT) * 2;
arg_uint_value(cmd, physicalextentsize_ARG, DEFAULT_EXTENT);
if (!extent_size) {
log_error("Physical extent size may not be zero");