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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2007-12-17 11:46:48 +0100
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2007-12-26 18:15:15 +0100
commitcae0a77125467c42f0918e78457913ee4a2f925b (patch)
tree92ce552bb67d6e0d44e1144e08260ea0bbcee80a /drivers/mtd/ubi/upd.c
parentUBI: improve internal interfaces (diff)
downloadlinux-cae0a77125467c42f0918e78457913ee4a2f925b.tar.xz
linux-cae0a77125467c42f0918e78457913ee4a2f925b.zip
UBI: tweak volumes locking
Transform vtbl_mutex to volumes_mutex - this just makes code easier to understand. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers/mtd/ubi/upd.c')
-rw-r--r--drivers/mtd/ubi/upd.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/upd.c b/drivers/mtd/ubi/upd.c
index a95dcaa4a0c2..e32b04d2e048 100644
--- a/drivers/mtd/ubi/upd.c
+++ b/drivers/mtd/ubi/upd.c
@@ -67,7 +67,9 @@ static int set_update_marker(struct ubi_device *ubi, int vol_id)
memcpy(&vtbl_rec, &ubi->vtbl[vol_id], sizeof(struct ubi_vtbl_record));
vtbl_rec.upd_marker = 1;
+ mutex_lock(&ubi->volumes_mutex);
err = ubi_change_vtbl_record(ubi, vol_id, &vtbl_rec);
+ mutex_unlock(&ubi->volumes_mutex);
vol->upd_marker = 1;
return err;
}
@@ -106,7 +108,9 @@ static int clear_update_marker(struct ubi_device *ubi, int vol_id, long long byt
vol->last_eb_bytes = vol->usable_leb_size;
}
+ mutex_lock(&ubi->volumes_mutex);
err = ubi_change_vtbl_record(ubi, vol_id, &vtbl_rec);
+ mutex_unlock(&ubi->volumes_mutex);
vol->upd_marker = 0;
return err;
}