We currently do not have a way to iterate over all partitions of
a cdev. Change this.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
fs/devfs-core.c | 8 ++++++++
include/driver.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/fs/devfs-core.c b/fs/devfs-core.c
index 75ed3b0e66..c51ea6a871 100644
--- a/fs/devfs-core.c
+++ b/fs/devfs-core.c
@@ -277,6 +277,7 @@ int devfs_create(struct cdev *new)
return -EEXIST;
INIT_LIST_HEAD(&new->links);
+ INIT_LIST_HEAD(&new->partitions);
list_add_tail(&new->list, &cdev_list);
if (new->dev) {
@@ -326,6 +327,9 @@ int devfs_remove(struct cdev *cdev)
list_for_each_entry_safe(c, tmp, &cdev->links, link_entry)
devfs_remove(c);
+ if (cdev->master)
+ list_del(&cdev->partition_entry);
+
if (cdev->link)
free(cdev);
@@ -374,6 +378,8 @@ static struct cdev *__devfs_add_partition(struct cdev *cdev,
partinfo->flags, partinfo->name);
if (IS_ERR(mtd))
return (void *)mtd;
+
+ list_add_tail(&mtd->cdev.partition_entry, &cdev->partitions);
return &mtd->cdev;
}
@@ -390,6 +396,8 @@ static struct cdev *__devfs_add_partition(struct cdev *cdev,
new->dev = cdev->dev;
new->flags = partinfo->flags | DEVFS_IS_PARTITION;
+ list_add_tail(&new->partition_entry, &cdev->partitions);
+
devfs_create(new);
return new;
diff --git a/include/driver.h b/include/driver.h
index 6abaaad8b4..b7eaf290c4 100644
--- a/include/driver.h
+++ b/include/driver.h
@@ -459,6 +459,7 @@ struct cdev {
u8 dos_partition_type;
struct cdev *link;
struct list_head link_entry, links;
+ struct list_head partition_entry, partitions;
};
int devfs_create(struct cdev *);
--
2.11.0
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