lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

UBI: introduce volume refcounting

Browse Source 
Add ref_count field to UBI volumes and remove weired "vol->removed"
field. This way things are better understandable and we do not have
to do whold show_attr operation under spinlock.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy
2007-12-17 15:42:57 +02:00
parent db6e5770ef
commit d05c77a816
5 changed files with 84 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/mtd/ubi/vtbl.c
View File

@ -565,6 +565,7 @@ static int init_volumes(struct ubi_device *ubi, const struct ubi_scan_info *si,
vol->last_eb_bytes = sv->last_data_size;
}
/* And add the layout volume */
vol = kzalloc(sizeof(struct ubi_volume), GFP_KERNEL);
if (!vol)
return -ENOMEM;
@ -580,6 +581,7 @@ static int init_volumes(struct ubi_device *ubi, const struct ubi_scan_info *si,
vol->used_bytes =
(long long)vol->used_ebs * (ubi->leb_size - vol->data_pad);
vol->vol_id = UBI_LAYOUT_VOL_ID;
vol->ref_count = 1;
ubi_assert(!ubi->volumes[i]);
ubi->volumes[vol_id2idx(ubi, vol->vol_id)] = vol;