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-rw-r--r--vold/blkdev.c8
-rwxr-xr-xvold/format.c22
-rw-r--r--vold/media.h6
-rw-r--r--vold/mmc.c2
-rw-r--r--vold/uevent.c5
-rw-r--r--vold/volmgr.c22
-rw-r--r--vold/volmgr_vfat.c30
7 files changed, 70 insertions, 25 deletions
diff --git a/vold/blkdev.c b/vold/blkdev.c
index 2c5681a..33fed1b 100644
--- a/vold/blkdev.c
+++ b/vold/blkdev.c
@@ -32,6 +32,7 @@
#include "vold.h"
#include "blkdev.h"
#include "diskmbr.h"
+#include "media.h"
#define DEBUG_BLKDEV 0
@@ -132,7 +133,12 @@ int blkdev_refresh(blkdev_t *blk)
}
} else if (blk->type == blkdev_partition) {
struct dos_partition part;
- int part_no = blk->minor -1;
+ int part_no;
+
+ if (blk->media->media_type == media_mmc)
+ part_no = blk->minor % MMC_PARTS_PER_CARD -1;
+ else
+ part_no = blk->minor -1;
if (part_no < NDOSPART) {
dos_partition_dec(block + DOSPARTOFF + part_no * sizeof(struct dos_partition), &part);
diff --git a/vold/format.c b/vold/format.c
index cd40197..c67b358 100755
--- a/vold/format.c
+++ b/vold/format.c
@@ -33,21 +33,23 @@ int format_partition(blkdev_t *part, char *type)
{
char *devpath;
int rc = -EINVAL;
-
+
devpath = blkdev_get_devpath(part);
if (!strcmp(type, FORMAT_TYPE_FAT32)) {
- char *args[9];
+ char *args[7];
args[0] = MKDOSFS_PATH;
args[1] = "-F";
- args[2] = "32";
- args[3] = "-c";
- args[4] = "16";
- args[5] = "-O";
- args[6] = "android";
- args[7] = devpath;
- args[8] = NULL;
- rc = logwrap(8, args, 1);
+ if ((part->nr_sec * 512) <= (unsigned int) (1024*1024*1024*2))
+ args[2] = "16";
+ else
+ args[2] = "32";
+
+ args[3] = "-O";
+ args[4] = "android";
+ args[5] = devpath;
+ args[6] = NULL;
+ rc = logwrap(7, args, 1);
} else {
char *args[7];
args[0] = MKE2FS_PATH;
diff --git a/vold/media.h b/vold/media.h
index 567ce04..6fd8b84 100644
--- a/vold/media.h
+++ b/vold/media.h
@@ -28,6 +28,12 @@ typedef enum media_type {
media_devmapper,
} media_type_t;
+/*
+ * max 8 partitions per card
+ */
+#define MMC_PARTS_PER_CARD (1<<3)
+#define ALIGN_MMC_MINOR(min) (min / MMC_PARTS_PER_CARD * MMC_PARTS_PER_CARD)
+
typedef struct media {
char *devpath;
char *name;
diff --git a/vold/mmc.c b/vold/mmc.c
index 6ad97f4..d90845d 100644
--- a/vold/mmc.c
+++ b/vold/mmc.c
@@ -258,7 +258,7 @@ static int mmc_bootstrap_mmcblk_partition(char *devpath)
char filename[255];
char *uevent_buffer;
ssize_t sz;
- char *uevent_params[4];
+ char *uevent_params[5];
char tmp[255];
FILE *fp;
char line[255];
diff --git a/vold/uevent.c b/vold/uevent.c
index dffe817..dc15d80 100644
--- a/vold/uevent.c
+++ b/vold/uevent.c
@@ -325,7 +325,10 @@ static int handle_block_event(struct uevent *event)
* If there isn't a disk already its because *we*
* are the disk
*/
- disk = blkdev_lookup_by_devno(maj, 0);
+ if (media->media_type == media_mmc)
+ disk = blkdev_lookup_by_devno(maj, ALIGN_MMC_MINOR(min));
+ else
+ disk = blkdev_lookup_by_devno(maj, 0);
if (!(blkdev = blkdev_create(disk,
event->path,
diff --git a/vold/volmgr.c b/vold/volmgr.c
index 3c34a9c..deb680e 100644
--- a/vold/volmgr.c
+++ b/vold/volmgr.c
@@ -460,7 +460,7 @@ int volmgr_enable_ums(boolean enable)
pthread_mutex_lock(&v->lock);
if (v->state == volstate_mounted)
volmgr_send_eject_request(v);
- else if (v->state == volstate_ums) {
+ else if (v->state == volstate_ums || v->state == volstate_nomedia) {
pthread_mutex_unlock(&v->lock);
goto next_vol;
}
@@ -536,9 +536,16 @@ static int _volmgr_consider_disk_and_vol(volume_t *vol, blkdev_t *dev)
* Since we only support creating 1 partition (right now),
* we can just lookup the target by devno
*/
- blkdev_t *part = blkdev_lookup_by_devno(dev->major, 1);
+ blkdev_t *part;
+ if (vol->media_type == media_mmc)
+ part = blkdev_lookup_by_devno(dev->major, ALIGN_MMC_MINOR(dev->minor) + 1);
+ else
+ part = blkdev_lookup_by_devno(dev->major, 1);
if (!part) {
- part = blkdev_lookup_by_devno(dev->major, 0);
+ if (vol->media_type == media_mmc)
+ part = blkdev_lookup_by_devno(dev->major, ALIGN_MMC_MINOR(dev->minor));
+ else
+ part = blkdev_lookup_by_devno(dev->major, 0);
if (!part) {
LOGE("Unable to find device to format");
return -ENODEV;
@@ -573,9 +580,14 @@ static int _volmgr_consider_disk_and_vol(volume_t *vol, blkdev_t *dev)
rc = -ENODEV;
int i;
for (i = 0; i < dev->nr_parts; i++) {
- blkdev_t *part = blkdev_lookup_by_devno(dev->major, (i+1));
+ blkdev_t *part;
+ if (vol->media_type == media_mmc)
+ part = blkdev_lookup_by_devno(dev->major, ALIGN_MMC_MINOR(dev->minor) + (i+1));
+ else
+ part = blkdev_lookup_by_devno(dev->major, (i+1));
if (!part) {
- LOGE("Error - unable to lookup partition for blkdev %d:%d", dev->major, (i+1));
+ LOGE("Error - unable to lookup partition for blkdev %d:%d",
+ dev->major, dev->minor);
continue;
}
rc = _volmgr_start(vol, part);
diff --git a/vold/volmgr_vfat.c b/vold/volmgr_vfat.c
index 22e2dcf..4c695e4 100644
--- a/vold/volmgr_vfat.c
+++ b/vold/volmgr_vfat.c
@@ -18,6 +18,7 @@
#include <errno.h>
#include <sys/mount.h>
+#include <cutils/properties.h>
#include "vold.h"
#include "volmgr.h"
@@ -108,14 +109,29 @@ int vfat_mount(blkdev_t *dev, volume_t *vol, boolean safe_mode)
}
/*
- * The mount masks restrict access so that:
- * 1. The 'system' user cannot access the SD card at all -
- * (protects system_server from grabbing file references)
- * 2. Group users can RWX
- * 3. Others can only RX
+ * Note: This is a temporary hack. If the sampling profiler is enabled,
+ * we make the SD card world-writable so any process can write snapshots.
+ *
+ * TODO: Remove this code once we have a drop box in system_server.
*/
- rc = mount(devpath, vol->mount_point, "vfat", flags,
- "utf8,uid=1000,gid=1015,fmask=702,dmask=702,shortname=mixed");
+ char value[PROPERTY_VALUE_MAX];
+ property_get("persist.sampling_profiler", value, "");
+ if (value[0] == '1') {
+ LOGW("The SD card is world-writable because the"
+ " 'persist.sampling_profiler' system property is set to '1'.");
+ rc = mount(devpath, vol->mount_point, "vfat", flags,
+ "utf8,uid=1000,gid=1015,fmask=000,dmask=000,shortname=mixed");
+ } else {
+ /*
+ * The mount masks restrict access so that:
+ * 1. The 'system' user cannot access the SD card at all -
+ * (protects system_server from grabbing file references)
+ * 2. Group users can RWX
+ * 3. Others can only RX
+ */
+ rc = mount(devpath, vol->mount_point, "vfat", flags,
+ "utf8,uid=1000,gid=1015,fmask=702,dmask=702,shortname=mixed");
+ }
if (rc && errno == EROFS) {
LOGE("vfat_mount(%d:%d, %s): Read only filesystem - retrying mount RO",
generated by cgit v1.1 at 2024-12-28 07:40:52 +0000