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Add dmsetup --nolockfs support for suspend/reload.

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Requires kernel patches to have any effect.
Library version incremented.
This commit is contained in:
Alasdair Kergon 2005-10-04 20:12:32 +00:00
parent 9b02bdbce0
commit 72a444276f
6 changed files with 21 additions and 1 deletions
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1
WHATS_NEW_DM
View File

@ -1,5 +1,6 @@
Version 1.01.06 -
=============================
Add dmsetup --nolockfs support for suspend/reload.
Version 1.01.05 - 26 Sep 2005
=============================

1
libdm/.exported_symbols
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@ -21,6 +21,7 @@ dm_task_set_sector
dm_task_set_message
dm_task_add_target
dm_task_no_open_count
dm_task_skip_lockfs
dm_get_next_target
dm_task_run
dm_set_dev_dir

9
libdm/ioctl/libdm-iface.c
View File

@ -950,6 +950,13 @@ int dm_task_no_open_count(struct dm_task *dmt)
return 1;
}
int dm_task_skip_lockfs(struct dm_task *dmt)
{
dmt->skip_lockfs = 1;
return 1;
}
int dm_task_set_event_nr(struct dm_task *dmt, uint32_t event_nr)
{
dmt->event_nr = event_nr;
@ -1105,6 +1112,8 @@ static struct dm_ioctl *_flatten(struct dm_task *dmt, unsigned repeat_count)
dmi->flags |= DM_SUSPEND_FLAG;
if (dmt->read_only)
dmi->flags |= DM_READONLY_FLAG;
if (dmt->skip_lockfs)
dmi->flags |= DM_SKIP_LOCKFS_FLAG;
if (dmt->minor >= 0) {
if (dmt->major <= 0) {

1
libdm/ioctl/libdm-targets.h
View File

@ -52,6 +52,7 @@ struct dm_task {
char *message;
uint64_t sector;
int no_open_count;
int skip_lockfs;
char *uuid;
};

1
libdm/libdevmapper.h
View File

@ -135,6 +135,7 @@ int dm_task_set_event_nr(struct dm_task *dmt, uint32_t event_nr);
int dm_task_set_message(struct dm_task *dmt, const char *message);
int dm_task_set_sector(struct dm_task *dmt, uint64_t sector);
int dm_task_no_open_count(struct dm_task *dmt);
int dm_task_skip_lockfs(struct dm_task *dmt);
/*
* Use these to prepare for a create or reload.

9
tools/dmsetup.c
View File

@ -76,6 +76,7 @@ enum {
MAJOR_ARG,
MINOR_ARG,
NOHEADINGS_ARG,
NOLOCKFS_ARG,
NOOPENCOUNT_ARG,
NOTABLE_ARG,
OPTIONS_ARG,
@ -527,6 +528,9 @@ static int _simple(int task, const char *name, uint32_t event_nr, int display)
if (_switches[NOOPENCOUNT_ARG] && !dm_task_no_open_count(dmt))
goto out;
if (_switches[NOLOCKFS_ARG] && !dm_task_skip_lockfs(dmt))
goto out;
r = dm_task_run(dmt);
if (r && display && _switches[VERBOSE_ARG])
@ -1000,7 +1004,7 @@ static void _usage(FILE *out)
fprintf(out, "Usage:\n\n");
fprintf(out, "dmsetup [--version] [-v|--verbose [-v|--verbose ...]]\n"
" [-r|--readonly] [--noopencount]\n\n");
" [-r|--readonly] [--noopencount] [--nolockfs]\n\n");
for (i = 0; _commands[i].name; i++)
fprintf(out, "\t%s %s\n", _commands[i].name, _commands[i].help);
fprintf(out, "\n<device> may be device name or -u <uuid> or "
@ -1034,6 +1038,7 @@ static int _process_switches(int *argc, char ***argv)
{"major", 1, &ind, MAJOR_ARG},
{"minor", 1, &ind, MINOR_ARG},
{"noheadings", 0, &ind, NOHEADINGS_ARG},
{"nolockfs", 0, &ind, NOLOCKFS_ARG},
{"noopencount", 0, &ind, NOOPENCOUNT_ARG},
{"notable", 0, &ind, NOTABLE_ARG},
{"options", 1, &ind, OPTIONS_ARG},
@ -1125,6 +1130,8 @@ static int _process_switches(int *argc, char ***argv)
}
if ((ind == NOHEADINGS_ARG))
_switches[NOHEADINGS_ARG]++;
if ((ind == NOLOCKFS_ARG))
_switches[NOLOCKFS_ARG]++;
if ((ind == NOOPENCOUNT_ARG))
_switches[NOOPENCOUNT_ARG]++;
if ((ind == VERSION_ARG))