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Add lv_path to reports to offer full /dev pathname.

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This commit is contained in:
Alasdair Kergon 2010-06-23 12:32:08 +00:00
parent 99cd5c7098
commit 07ae1d4943
4 changed files with 29 additions and 2 deletions
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4
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.68 -
===============================
Add lv_path to reports to offer full /dev pathname.
Fix typo in warning message about missing device with allocated data areas.
Add device name and offset to output of error messages in raw_read_mda_header().
Use flexible data[] in cmirrord request to prevent abort in runtime size checks.
@ -14,7 +15,8 @@ Version 2.02.68 -
Add --force, --nofsck and --resizefs to lvresize/extend/reduce man pages.
Fix lvm2cmd example in documentation.
Allow use of lvm2app and lvm2cmd headers in C++ code.
Remove some unused #includes from clvmd files.
Remove unused #includes from clvmd files and introduce clvmd-common.h.
Move common inclusions to clvmd-common.h.
Use #include "" for libdevmapper.h and configure.h throughout tree.
Fix LVM_PATH expansion when exec_prefix=NONE (2.02.67).
Fix segfault in clvmd -R if no response from daemon received.

1
lib/report/columns.h
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@ -57,6 +57,7 @@
/* *INDENT-OFF* */
FIELD(LVS, lv, STR, "LV UUID", lvid.id[1], 38, uuid, "lv_uuid", "Unique identifier.")
FIELD(LVS, lv, STR, "LV", lvid, 4, lvname, "lv_name", "Name. LVs created for internal use are enclosed in brackets.")
FIELD(LVS, lv, STR, "Path", lvid, 4, lvpath, "lv_path", "Full pathname for LV.")
FIELD(LVS, lv, STR, "Attr", lvid, 4, lvstatus, "lv_attr", "Various attributes - see man page.")
FIELD(LVS, lv, NUM, "Maj", major, 3, int32, "lv_major", "Persistent major number or -1 if not persistent.")
FIELD(LVS, lv, NUM, "Min", minor, 3, int32, "lv_minor", "Persistent minor number or -1 if not persistent.")

24
lib/report/report.c
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@ -523,6 +523,30 @@ static int _lvname_disp(struct dm_report *rh, struct dm_pool *mem,
return 1;
}
static int _lvpath_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
char *repstr;
size_t len;
len = strlen(lv->vg->cmd->dev_dir) + strlen(lv->vg->name) + strlen(lv->name) + 2;
if (!(repstr = dm_pool_zalloc(mem, len))) {
log_error("dm_pool_alloc failed");
return 0;
}
if (dm_snprintf(repstr, len, "%s%s/%s", lv->vg->cmd->dev_dir, lv->vg->name, lv->name) < 0) {
log_error("lvpath snprintf failed");
return 0;
}
dm_report_field_set_value(field, repstr, NULL);
return 1;
}
static int _origin_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)

2
man/lvs.8.in
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@ -55,7 +55,7 @@ to select all logical volume segment columns.
Use \fb-o help\fP to view the full list of columns available.
.IP
Column names include:
lv_uuid, lv_name, lv_attr, lv_major, lv_minor, lv_read_ahead, lv_kernel_major,
lv_uuid, lv_name, lv_path, lv_attr, lv_major, lv_minor, lv_read_ahead, lv_kernel_major,
lv_kernel_minor, lv_kernel_read_ahead, lv_size, seg_count, origin, origin_size,
snap_percent, copy_percent, move_pv, convert_lv, lv_tags, mirror_log, modules,
segtype, stripes, stripesize, regionsize, chunksize, seg_start, seg_start_pe,