diff options
Diffstat (limited to 'drivers/md/dm-ioctl.c')
| -rw-r--r-- | drivers/md/dm-ioctl.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 2dd2fa18afb6..f6e880a0e00c 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -35,10 +35,12 @@ struct dm_file { volatile unsigned int global_event_nr; }; -/*----------------------------------------------------------------- +/* + *--------------------------------------------------------------- * The ioctl interface needs to be able to look up devices by * name or uuid. - *---------------------------------------------------------------*/ + *--------------------------------------------------------------- + */ struct hash_cell { struct rb_node name_node; struct rb_node uuid_node; @@ -79,9 +81,11 @@ static void dm_hash_exit(void) dm_hash_remove_all(false, false, false); } -/*----------------------------------------------------------------- +/* + *--------------------------------------------------------------- * Code for looking up a device by name - *---------------------------------------------------------------*/ + *--------------------------------------------------------------- + */ static struct hash_cell *__get_name_cell(const char *str) { struct rb_node *n = name_rb_tree.rb_node; @@ -196,9 +200,11 @@ static struct hash_cell *__get_dev_cell(uint64_t dev) return hc; } -/*----------------------------------------------------------------- +/* + *--------------------------------------------------------------- * Inserting, removing and renaming a device. - *---------------------------------------------------------------*/ + *--------------------------------------------------------------- + */ static struct hash_cell *alloc_cell(const char *name, const char *uuid, struct mapped_device *md) { @@ -501,9 +507,11 @@ void dm_deferred_remove(void) dm_hash_remove_all(true, false, true); } -/*----------------------------------------------------------------- +/* + *--------------------------------------------------------------- * Implementation of the ioctl commands - *---------------------------------------------------------------*/ + *--------------------------------------------------------------- + */ /* * All the ioctl commands get dispatched to functions with this * prototype. @@ -1764,10 +1772,11 @@ static int target_message(struct file *filp, struct dm_ioctl *param, size_t para #define IOCTL_FLAGS_NO_PARAMS 1 #define IOCTL_FLAGS_ISSUE_GLOBAL_EVENT 2 -/*----------------------------------------------------------------- - * Implementation of open/close/ioctl on the special char - * device. - *---------------------------------------------------------------*/ +/* + *--------------------------------------------------------------- + * Implementation of open/close/ioctl on the special char device. + *--------------------------------------------------------------- + */ static ioctl_fn lookup_ioctl(unsigned int cmd, int *ioctl_flags) { static const struct { |