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block: rename GENHD_FL_NO_PART_SCAN to GENHD_FL_NO_PART

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The GENHD_FL_NO_PART_SCAN controls more than just partitions canning,
so rename it to GENHD_FL_NO_PART.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20211122130625.1136848-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-11-22 14:06:17 +01:00 committed by Jens Axboe
parent e16e506ccd
commit 46e7eac647
5 changed files with 14 additions and 15 deletions
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2
block/genhd.c
View File

@ -500,7 +500,7 @@ int __must_check device_add_disk(struct device *parent, struct gendisk *disk,
* and don't bother scanning for partitions either.
*/
disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO;
disk->flags |= GENHD_FL_NO_PART_SCAN;
disk->flags |= GENHD_FL_NO_PART;
} else {
ret = bdi_register(disk->bdi, "%u:%u",
disk->major, disk->first_minor);

8
drivers/block/loop.c
View File

@ -1061,7 +1061,7 @@ static int loop_configure(struct loop_device *lo, fmode_t mode,
lo->lo_flags |= LO_FLAGS_PARTSCAN;
partscan = lo->lo_flags & LO_FLAGS_PARTSCAN;
if (partscan)
lo->lo_disk->flags &= ~GENHD_FL_NO_PART_SCAN;
lo->lo_disk->flags &= ~GENHD_FL_NO_PART;
loop_global_unlock(lo, is_loop);
if (partscan)
@ -1191,7 +1191,7 @@ out_unlock:
mutex_lock(&lo->lo_mutex);
lo->lo_flags = 0;
if (!part_shift)
lo->lo_disk->flags |= GENHD_FL_NO_PART_SCAN;
lo->lo_disk->flags |= GENHD_FL_NO_PART;
lo->lo_state = Lo_unbound;
mutex_unlock(&lo->lo_mutex);
@ -1301,7 +1301,7 @@ out_unfreeze:
if (!err && (lo->lo_flags & LO_FLAGS_PARTSCAN) &&
!(prev_lo_flags & LO_FLAGS_PARTSCAN)) {
lo->lo_disk->flags &= ~GENHD_FL_NO_PART_SCAN;
lo->lo_disk->flags &= ~GENHD_FL_NO_PART;
partscan = true;
}
out_unlock:
@ -2032,7 +2032,7 @@ static int loop_add(int i)
* userspace tools. Parameters like this in general should be avoided.
*/
if (!part_shift)
disk->flags |= GENHD_FL_NO_PART_SCAN;
disk->flags |= GENHD_FL_NO_PART;
disk->flags |= GENHD_FL_EXT_DEVT;
atomic_set(&lo->lo_refcnt, 0);
mutex_init(&lo->lo_mutex);

2
drivers/block/n64cart.c
View File

@ -136,7 +136,7 @@ static int __init n64cart_probe(struct platform_device *pdev)
goto out;
disk->first_minor = 0;
disk->flags = GENHD_FL_NO_PART_SCAN;
disk->flags = GENHD_FL_NO_PART;
disk->fops = &n64cart_fops;
disk->private_data = &pdev->dev;
strcpy(disk->disk_name, "n64cart");

4
drivers/mmc/core/block.c
View File

@ -2397,8 +2397,8 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
set_disk_ro(md->disk, md->read_only || default_ro);
md->disk->flags = GENHD_FL_EXT_DEVT;
if (area_type & (MMC_BLK_DATA_AREA_RPMB | MMC_BLK_DATA_AREA_BOOT))
md->disk->flags |= GENHD_FL_NO_PART_SCAN
| GENHD_FL_SUPPRESS_PARTITION_INFO;
md->disk->flags |= GENHD_FL_NO_PART |
GENHD_FL_SUPPRESS_PARTITION_INFO;
/*
* As discussed on lkml, GENHD_FL_REMOVABLE should:

13
include/linux/genhd.h
View File

@ -56,15 +56,15 @@ struct partition_meta_info {
* (``BLOCK_EXT_MAJOR``).
* This affects the maximum number of partitions.
*
* ``GENHD_FL_NO_PART_SCAN`` (0x0200): partition scanning is disabled.
* Used for loop devices in their default settings and some MMC
* devices.
* ``GENHD_FL_NO_PART`` (0x0200): partition support is disabled.
* The kernel will not scan for partitions from add_disk, and users
* can't add partitions manually.
*
* ``GENHD_FL_HIDDEN`` (0x0400): the block device is hidden; it
* doesn't produce events, doesn't appear in sysfs, and doesn't have
* an associated ``bdev``.
* Implies ``GENHD_FL_SUPPRESS_PARTITION_INFO`` and
* ``GENHD_FL_NO_PART_SCAN``.
* ``GENHD_FL_NO_PART``.
* Used for multipath devices.
*/
#define GENHD_FL_REMOVABLE 0x0001
@ -72,7 +72,7 @@ struct partition_meta_info {
/* 4 is unused (used to be GENHD_FL_MEDIA_CHANGE_NOTIFY) */
#define GENHD_FL_SUPPRESS_PARTITION_INFO 0x0020
#define GENHD_FL_EXT_DEVT 0x0040
#define GENHD_FL_NO_PART_SCAN 0x0200
#define GENHD_FL_NO_PART 0x0200
#define GENHD_FL_HIDDEN 0x0400
enum {
@ -180,8 +180,7 @@ static inline int disk_max_parts(struct gendisk *disk)
static inline bool disk_part_scan_enabled(struct gendisk *disk)
{
return disk_max_parts(disk) > 1 &&
!(disk->flags & GENHD_FL_NO_PART_SCAN);
return disk_max_parts(disk) > 1 && !(disk->flags & GENHD_FL_NO_PART);
}
static inline dev_t disk_devt(struct gendisk *disk)