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Go Back   Linux Archive > Redhat > Device-mapper Development

 
 
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Old 12-14-2007, 06:49 PM
 
Default device-mapper ./WHATS_NEW lib/libdm-common.c l ...

CVSROOT: /cvs/dm
Module name: device-mapper
Changes by: agk@sourceware.org 2007-12-14 19:49:27

Modified files:
. : WHATS_NEW
lib : libdm-common.c libdm-deptree.c

Log message:
more readahead node fixes/debug messages

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/device-mapper/WHATS_NEW.diff?cvsroot=dm&r1=1.219&r2=1.220
http://sourceware.org/cgi-bin/cvsweb.cgi/device-mapper/lib/libdm-common.c.diff?cvsroot=dm&r1=1.57&r2=1.58
http://sourceware.org/cgi-bin/cvsweb.cgi/device-mapper/lib/libdm-deptree.c.diff?cvsroot=dm&r1=1.35&r2=1.36

--- device-mapper/WHATS_NEW 2007/12/14 17:57:04 1.219
+++ device-mapper/WHATS_NEW 2007/12/14 19:49:26 1.220
@@ -1,6 +1,7 @@
Version 1.02.24 -
===================================
Fix deptree to pass new name to _resume_node after a rename.
+ Suppress other node operations if node is deleted.
Add node operation stack debug messages.
Report error when empty device name passed to readahead functions.
Fix minimum readahead debug message.
--- device-mapper/lib/libdm-common.c 2007/12/14 17:26:09 1.57
+++ device-mapper/lib/libdm-common.c 2007/12/14 19:49:27 1.58
@@ -300,6 +300,8 @@
return 0;
}

+ log_debug("Created %s", path);
+
#ifdef HAVE_SELINUX
if (!dm_set_selinux_context(path, S_IFBLK))
return 0;
@@ -341,6 +343,8 @@
return 0;
}

+ log_debug("Renamed %s to %s", oldpath, newpath);
+
return 1;
}

@@ -359,6 +363,8 @@
return 0;
}

+ log_debug("Removed %s", path);
+
return 1;
}

@@ -531,9 +537,23 @@
uint32_t read_ahead_flags)
{
struct node_op_parms *nop;
+ struct list *noph, *nopht;
size_t len = strlen(dev_name) + strlen(old_name) + 2;
char *pos;

+ /*
+ * Ignore any outstanding operations on the node if deleting it
+ */
+ if (type == NODE_DEL) {
+ list_iterate_safe(noph, nopht, &_node_ops) {
+ nop = list_item(noph, struct node_op_parms);
+ if (!strcmp(dev_name, nop->dev_name)) {
+ list_del(&nop->list);
+ dm_free(nop);
+ }
+ }
+ }
+
if (!(nop = dm_malloc(sizeof(*nop) + len))) {
log_error("Insufficient memory to stack mknod operation");
return 0;
@@ -592,7 +612,7 @@

int rm_dev_node(const char *dev_name)
{
- log_debug("%s: Stacking NODE_DEL", dev_name);
+ log_debug("%s: Stacking NODE_DEL (replaces other stacked ops)", dev_name);

return _stack_node_op(NODE_DEL, dev_name, 0, 0, 0, 0, 0, "", 0, 0);
}
--- device-mapper/lib/libdm-deptree.c 2007/12/14 17:57:04 1.35
+++ device-mapper/lib/libdm-deptree.c 2007/12/14 19:49:27 1.36
@@ -1510,7 +1510,6 @@
void *handle = NULL;
struct dm_tree_node *child;
struct dm_info newinfo;
- const char *name;

/* Preload children first */
while ((child = dm_tree_next_child(&handle, dnode, 0))) {
@@ -1526,11 +1525,6 @@
if (dm_tree_node_num_children(child, 0))
dm_tree_preload_children(child, uuid_prefix, uuid_prefix_len);

- if (!(name = dm_tree_node_get_name(child))) {
- stack;
- continue;
- }
-
/* FIXME Cope if name exists with no uuid? */
if (!child->info.exists) {
if (!_create_node(child)) {
@@ -1553,11 +1547,11 @@
if (!child->info.inactive_table && !child->info.suspended)
continue;

- if (!_resume_node(name, child->info.major, child->info.minor,
+ if (!_resume_node(child->name, child->info.major, child->info.minor,
child->props.read_ahead,
child->props.read_ahead_flags, &newinfo)) {
log_error("Unable to resume %s (%" PRIu32
- ":%" PRIu32 ")", name, child->info.major,
+ ":%" PRIu32 ")", child->name, child->info.major,
child->info.minor);
continue;
}

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