diff options
author | Alasdair G Kergon <agk@redhat.com> | 2008-04-24 16:43:38 -0400 |
---|---|---|
committer | Alasdair G Kergon <agk@redhat.com> | 2008-04-25 08:26:47 -0400 |
commit | b8206bc3de0b0665d47655d270c18ea46aff5372 (patch) | |
tree | ae52f89c65b36f12887015104a37c4178303e889 /drivers/md | |
parent | 416cd17b1982217bca3dc41b9f00b0b38fdaadad (diff) |
dm log: move register functions
Reorder a couple of functions in the file so the next patch is readable.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/dm-log.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index b776701cc8fa..82df73f67a0d 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c | |||
@@ -19,32 +19,6 @@ | |||
19 | static LIST_HEAD(_log_types); | 19 | static LIST_HEAD(_log_types); |
20 | static DEFINE_SPINLOCK(_lock); | 20 | static DEFINE_SPINLOCK(_lock); |
21 | 21 | ||
22 | int dm_dirty_log_type_register(struct dm_dirty_log_type *type) | ||
23 | { | ||
24 | spin_lock(&_lock); | ||
25 | type->use_count = 0; | ||
26 | list_add(&type->list, &_log_types); | ||
27 | spin_unlock(&_lock); | ||
28 | |||
29 | return 0; | ||
30 | } | ||
31 | EXPORT_SYMBOL(dm_dirty_log_type_register); | ||
32 | |||
33 | int dm_dirty_log_type_unregister(struct dm_dirty_log_type *type) | ||
34 | { | ||
35 | spin_lock(&_lock); | ||
36 | |||
37 | if (type->use_count) | ||
38 | DMWARN("Attempt to unregister a log type that is still in use"); | ||
39 | else | ||
40 | list_del(&type->list); | ||
41 | |||
42 | spin_unlock(&_lock); | ||
43 | |||
44 | return 0; | ||
45 | } | ||
46 | EXPORT_SYMBOL(dm_dirty_log_type_unregister); | ||
47 | |||
48 | static struct dm_dirty_log_type *_get_type(const char *type_name) | 22 | static struct dm_dirty_log_type *_get_type(const char *type_name) |
49 | { | 23 | { |
50 | struct dm_dirty_log_type *type; | 24 | struct dm_dirty_log_type *type; |
@@ -122,6 +96,32 @@ static void put_type(struct dm_dirty_log_type *type) | |||
122 | spin_unlock(&_lock); | 96 | spin_unlock(&_lock); |
123 | } | 97 | } |
124 | 98 | ||
99 | int dm_dirty_log_type_register(struct dm_dirty_log_type *type) | ||
100 | { | ||
101 | spin_lock(&_lock); | ||
102 | type->use_count = 0; | ||
103 | list_add(&type->list, &_log_types); | ||
104 | spin_unlock(&_lock); | ||
105 | |||
106 | return 0; | ||
107 | } | ||
108 | EXPORT_SYMBOL(dm_dirty_log_type_register); | ||
109 | |||
110 | int dm_dirty_log_type_unregister(struct dm_dirty_log_type *type) | ||
111 | { | ||
112 | spin_lock(&_lock); | ||
113 | |||
114 | if (type->use_count) | ||
115 | DMWARN("Attempt to unregister a log type that is still in use"); | ||
116 | else | ||
117 | list_del(&type->list); | ||
118 | |||
119 | spin_unlock(&_lock); | ||
120 | |||
121 | return 0; | ||
122 | } | ||
123 | EXPORT_SYMBOL(dm_dirty_log_type_unregister); | ||
124 | |||
125 | struct dm_dirty_log *dm_dirty_log_create(const char *type_name, | 125 | struct dm_dirty_log *dm_dirty_log_create(const char *type_name, |
126 | struct dm_target *ti, | 126 | struct dm_target *ti, |
127 | unsigned int argc, char **argv) | 127 | unsigned int argc, char **argv) |