From c6ea067fed918efb4f2215f95279ae38c8380111 Mon Sep 17 00:00:00 2001 From: Dave Wysochanski Date: Thu, 30 Aug 2007 20:30:41 +0000 Subject: [PATCH] move guts of pvresize into library --- WHATS_NEW | 1 + lib/metadata/metadata-exported.h | 4 + lib/metadata/pv_manip.c | 158 +++++++++++++++++++++++++++++++ tools/pvresize.c | 156 ------------------------------ 4 files changed, 163 insertions(+), 156 deletions(-) diff --git a/WHATS_NEW b/WHATS_NEW index 438128018..7fd5eca8c 100644 --- a/WHATS_NEW +++ b/WHATS_NEW @@ -1,5 +1,6 @@ Version 2.02.29 - ================================== + Move guts of pvresize into library. Avoid error when --corelog is provided without --mirrorlog. (2.02.28) Correct --mirrorlog argument name in man pages (not --log). Clear MIRROR_NOTSYNCED LV flag when converting from mirror to linear. diff --git a/lib/metadata/metadata-exported.h b/lib/metadata/metadata-exported.h index 7bc55b074..7b4688972 100644 --- a/lib/metadata/metadata-exported.h +++ b/lib/metadata/metadata-exported.h @@ -322,6 +322,10 @@ pv_t *pv_create(const struct format_type *fmt, uint64_t pvmetadatasize, struct list *mdas); int pv_resize(struct physical_volume *pv, struct volume_group *vg, uint32_t new_pe_count); +int pv_resize_single(struct cmd_context *cmd, + struct volume_group *vg, + struct physical_volume *pv, + uint64_t new_size); int pv_analyze(struct cmd_context *cmd, const char *pv_name, uint64_t label_sector); diff --git a/lib/metadata/pv_manip.c b/lib/metadata/pv_manip.c index 0cf103818..740dc5ae8 100644 --- a/lib/metadata/pv_manip.c +++ b/lib/metadata/pv_manip.c @@ -17,6 +17,9 @@ #include "metadata.h" #include "pv_alloc.h" #include "toolcontext.h" +#include "archiver.h" +#include "locking.h" +#include "lvmcache.h" static struct pv_segment *_alloc_pv_segment(struct dm_pool *mem, struct physical_volume *pv, @@ -396,3 +399,158 @@ int pv_resize(struct physical_volume *pv, else return _reduce_pv(pv, vg, new_pe_count); } + +int pv_resize_single(struct cmd_context *cmd, + struct volume_group *vg, + struct physical_volume *pv, + uint64_t new_size) +{ + struct pv_list *pvl; + int consistent = 1; + uint64_t size = 0; + uint32_t new_pe_count = 0; + struct list mdas; + const char *pv_name = dev_name(pv_dev(pv)); + const char *vg_name; + + list_init(&mdas); + + if (!*pv_vg_name(pv)) { + vg_name = ORPHAN; + + if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) { + log_error("Can't get lock for orphans"); + return 0; + } + + if (!(pv = pv_read(cmd, pv_name, &mdas, NULL, 1))) { + unlock_vg(cmd, vg_name); + log_error("Unable to read PV \"%s\"", pv_name); + return 0; + } + + /* FIXME Create function to test compatibility properly */ + if (list_size(&mdas) > 1) { + log_error("%s: too many metadata areas for pvresize", + pv_name); + unlock_vg(cmd, vg_name); + return 0; + } + } else { + vg_name = pv_vg_name(pv); + + if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) { + log_error("Can't get lock for %s", pv_vg_name(pv)); + return 0; + } + + if (!(vg = vg_read(cmd, vg_name, NULL, &consistent))) { + unlock_vg(cmd, vg_name); + log_error("Unable to find volume group of \"%s\"", + pv_name); + return 0; + } + + if (!vg_check_status(vg, CLUSTERED | EXPORTED_VG | LVM_WRITE)) { + unlock_vg(cmd, vg_name); + return 0; + } + + if (!(pvl = find_pv_in_vg(vg, pv_name))) { + unlock_vg(cmd, vg_name); + log_error("Unable to find \"%s\" in volume group \"%s\"", + pv_name, vg->name); + return 0; + } + + pv = pvl->pv; + + if (!archive(vg)) + return 0; + } + + if (!(pv->fmt->features & FMT_RESIZE_PV)) { + log_error("Physical volume %s format does not support resizing.", + pv_name); + unlock_vg(cmd, vg_name); + return 0; + } + + /* Get new size */ + if (!dev_get_size(pv_dev(pv), &size)) { + log_error("%s: Couldn't get size.", pv_name); + unlock_vg(cmd, vg_name); + return 0; + } + + if (new_size) { + if (new_size > size) + log_warn("WARNING: %s: Overriding real size. " + "You could lose data.", pv_name); + log_verbose("%s: Pretending size is %" PRIu64 " not %" PRIu64 + " sectors.", pv_name, new_size, pv_size(pv)); + size = new_size; + } + + if (size < PV_MIN_SIZE) { + log_error("%s: Size must exceed minimum of %ld sectors.", + pv_name, PV_MIN_SIZE); + unlock_vg(cmd, vg_name); + return 0; + } + + if (size < pv_pe_start(pv)) { + log_error("%s: Size must exceed physical extent start of " + "%" PRIu64 " sectors.", pv_name, pv_pe_start(pv)); + unlock_vg(cmd, vg_name); + return 0; + } + + pv->size = size; + + if (vg) { + pv->size -= pv_pe_start(pv); + new_pe_count = pv_size(pv) / vg->extent_size; + + if (!new_pe_count) { + log_error("%s: Size must leave space for at " + "least one physical extent of " + "%" PRIu32 " sectors.", pv_name, + pv_pe_size(pv)); + unlock_vg(cmd, vg_name); + return 0; + } + + if (!pv_resize(pv, vg, new_pe_count)) { + stack; + unlock_vg(cmd, vg_name); + return 0; + } + } + + log_verbose("Resizing volume \"%s\" to %" PRIu64 " sectors.", + pv_name, pv_size(pv)); + + log_verbose("Updating physical volume \"%s\"", pv_name); + if (*pv_vg_name(pv)) { + if (!vg_write(vg) || !vg_commit(vg)) { + unlock_vg(cmd, pv_vg_name(pv)); + log_error("Failed to store physical volume \"%s\" in " + "volume group \"%s\"", pv_name, vg->name); + return 0; + } + backup(vg); + unlock_vg(cmd, vg_name); + } else { + if (!(pv_write(cmd, pv, NULL, INT64_C(-1)))) { + unlock_vg(cmd, ORPHAN); + log_error("Failed to store physical volume \"%s\"", + pv_name); + return 0; + } + unlock_vg(cmd, vg_name); + } + + log_print("Physical volume \"%s\" changed", pv_name); + return 1; +} diff --git a/tools/pvresize.c b/tools/pvresize.c index 426dddaba..2747473fc 100644 --- a/tools/pvresize.c +++ b/tools/pvresize.c @@ -23,162 +23,6 @@ struct pvresize_params { unsigned total; }; -static int pv_resize_single(struct cmd_context *cmd, - struct volume_group *vg, - struct physical_volume *pv, - uint64_t new_size) -{ - struct pv_list *pvl; - int consistent = 1; - uint64_t size = 0; - uint32_t new_pe_count = 0; - struct list mdas; - const char *pv_name = dev_name(pv_dev(pv)); - const char *vg_name; - - list_init(&mdas); - - if (!*pv_vg_name(pv)) { - vg_name = ORPHAN; - - if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) { - log_error("Can't get lock for orphans"); - return 0; - } - - if (!(pv = pv_read(cmd, pv_name, &mdas, NULL, 1))) { - unlock_vg(cmd, vg_name); - log_error("Unable to read PV \"%s\"", pv_name); - return 0; - } - - /* FIXME Create function to test compatibility properly */ - if (list_size(&mdas) > 1) { - log_error("%s: too many metadata areas for pvresize", - pv_name); - unlock_vg(cmd, vg_name); - return 0; - } - } else { - vg_name = pv_vg_name(pv); - - if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) { - log_error("Can't get lock for %s", pv_vg_name(pv)); - return 0; - } - - if (!(vg = vg_read(cmd, vg_name, NULL, &consistent))) { - unlock_vg(cmd, vg_name); - log_error("Unable to find volume group of \"%s\"", - pv_name); - return 0; - } - - if (!vg_check_status(vg, CLUSTERED | EXPORTED_VG | LVM_WRITE)) { - unlock_vg(cmd, vg_name); - return 0; - } - - if (!(pvl = find_pv_in_vg(vg, pv_name))) { - unlock_vg(cmd, vg_name); - log_error("Unable to find \"%s\" in volume group \"%s\"", - pv_name, vg->name); - return 0; - } - - pv = pvl->pv; - - if (!archive(vg)) - return 0; - } - - if (!(pv->fmt->features & FMT_RESIZE_PV)) { - log_error("Physical volume %s format does not support resizing.", - pv_name); - unlock_vg(cmd, vg_name); - return 0; - } - - /* Get new size */ - if (!dev_get_size(pv_dev(pv), &size)) { - log_error("%s: Couldn't get size.", pv_name); - unlock_vg(cmd, vg_name); - return 0; - } - - if (new_size) { - if (new_size > size) - log_warn("WARNING: %s: Overriding real size. " - "You could lose data.", pv_name); - log_verbose("%s: Pretending size is %" PRIu64 " not %" PRIu64 - " sectors.", pv_name, new_size, pv_size(pv)); - size = new_size; - } - - if (size < PV_MIN_SIZE) { - log_error("%s: Size must exceed minimum of %ld sectors.", - pv_name, PV_MIN_SIZE); - unlock_vg(cmd, vg_name); - return 0; - } - - if (size < pv_pe_start(pv)) { - log_error("%s: Size must exceed physical extent start of " - "%" PRIu64 " sectors.", pv_name, pv_pe_start(pv)); - unlock_vg(cmd, vg_name); - return 0; - } - - pv->size = size; - - if (vg) { - pv->size -= pv_pe_start(pv); - new_pe_count = pv_size(pv) / vg->extent_size; - - if (!new_pe_count) { - log_error("%s: Size must leave space for at " - "least one physical extent of " - "%" PRIu32 " sectors.", pv_name, - pv_pe_size(pv)); - unlock_vg(cmd, vg_name); - return 0; - } - - if (!pv_resize(pv, vg, new_pe_count)) { - stack; - unlock_vg(cmd, vg_name); - return 0; - } - } - - log_verbose("Resizing volume \"%s\" to %" PRIu64 " sectors.", - pv_name, pv_size(pv)); - - log_verbose("Updating physical volume \"%s\"", pv_name); - if (*pv_vg_name(pv)) { - if (!vg_write(vg) || !vg_commit(vg)) { - unlock_vg(cmd, pv_vg_name(pv)); - log_error("Failed to store physical volume \"%s\" in " - "volume group \"%s\"", pv_name, vg->name); - return 0; - } - backup(vg); - unlock_vg(cmd, vg_name); - } else { - if (!(pv_write(cmd, pv, NULL, INT64_C(-1)))) { - unlock_vg(cmd, ORPHAN); - log_error("Failed to store physical volume \"%s\"", - pv_name); - return 0; - } - unlock_vg(cmd, vg_name); - } - - log_print("Physical volume \"%s\" changed", pv_name); - return 1; -} - - static int _pvresize_single(struct cmd_context *cmd, struct volume_group *vg, struct physical_volume *pv, -- 2.43.5