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authorSascha Hauer <s.hauer@pengutronix.de>2017-03-30 15:28:08 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2017-03-31 18:41:41 +0200
commitdbcd47c17bc8e968ab97602de9cd44397b0c118c (patch)
treee66fd551d59638f3c6cc6b406df7c13e460f20ac /fs
parentb1c50f474d9b49eec19ae1c6f432a9570b9c0699 (diff)
downloadbarebox-dbcd47c17bc8e968ab97602de9cd44397b0c118c.tar.gz
barebox-dbcd47c17bc8e968ab97602de9cd44397b0c118c.tar.xz
cdev: Collect partitions on list
We currently do not have a way to iterate over all partitions of a cdev. Change this. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'fs')
-rw-r--r--fs/devfs-core.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/devfs-core.c b/fs/devfs-core.c
index 75ed3b0e66..89ddb6a398 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->flags & DEVFS_IS_PARTITION)
+ 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;