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libdm: parse Overflow string from snapshot status

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This is likely to be a new 'info' provided by kernel
snapshot target.
For now just parse this string.
This commit is contained in:
Zdenek Kabelac 2015-09-18 14:41:00 +02:00
parent 90ad817a43
commit e0d915a873
3 changed files with 4 additions and 0 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.109 -
======================================
Parse new Overflow status string for snapshot target.
Check dir path components are valid if using dm_create_dir, error out if not.
Fix /dev/mapper handling to remove dangling entries if symlinks are found.
Make it possible to use blank value as selection for string list report field.

1
libdm/libdevmapper.h
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@ -352,6 +352,7 @@ struct dm_status_snapshot {
unsigned has_metadata_sectors : 1; /* set when metadata_sectors is present */
unsigned invalid : 1; /* set when snapshot is invalidated */
unsigned merge_failed : 1; /* set when snapshot merge failed */
unsigned overflow : 1; /* set when snapshot overflows */
};
int dm_get_status_snapshot(struct dm_pool *mem, const char *params,

2
libdm/libdm-deptree.c
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@ -3126,6 +3126,8 @@ int dm_get_status_snapshot(struct dm_pool *mem, const char *params,
s->invalid = 1;
else if (!strcmp(params, "Merge failed"))
s->merge_failed = 1;
else if (!strcmp(params, "Overflow"))
s->overflow = 1;
else {
dm_pool_free(mem, s);
log_error("Failed to parse snapshot params: %s.", params);