diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-11-22 14:06:12 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-11-29 14:35:21 +0100 |
| commit | 86416916466514e4ae0b7296d20133b6427c4c1f (patch) | |
| tree | 0182fb4115120743dc1489b6fd36fb197829121d | |
| parent | block: don't include blk-mq headers in blk-core.c (diff) | |
| download | linux-86416916466514e4ae0b7296d20133b6427c4c1f.tar.xz linux-86416916466514e4ae0b7296d20133b6427c4c1f.zip | |
block: move GENHD_FL_NATIVE_CAPACITY to disk->state
The flag to indicate an unlocked native capacity is dynamic state,
not a driver capability flag, so move it to disk->state.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211122130625.1136848-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/partitions/core.c | 15 | ||||
| -rw-r--r-- | include/linux/genhd.h | 8 |
2 files changed, 7 insertions, 16 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c index 334b72ef1d73..520292fee933 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -527,18 +527,15 @@ out_unlock: static bool disk_unlock_native_capacity(struct gendisk *disk) { - const struct block_device_operations *bdops = disk->fops; - - if (bdops->unlock_native_capacity && - !(disk->flags & GENHD_FL_NATIVE_CAPACITY)) { - printk(KERN_CONT "enabling native capacity\n"); - bdops->unlock_native_capacity(disk); - disk->flags |= GENHD_FL_NATIVE_CAPACITY; - return true; - } else { + if (!disk->fops->unlock_native_capacity || + test_and_set_bit(GD_NATIVE_CAPACITY, &disk->state)) { printk(KERN_CONT "truncated\n"); return false; } + + printk(KERN_CONT "enabling native capacity\n"); + disk->fops->unlock_native_capacity(disk); + return true; } void blk_drop_partitions(struct gendisk *disk) diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 74c410263113..e490a71e5e9d 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -60,12 +60,6 @@ struct partition_meta_info { * (``BLOCK_EXT_MAJOR``). * This affects the maximum number of partitions. * - * ``GENHD_FL_NATIVE_CAPACITY`` (0x0080): based on information in the - * partition table, the device's capacity has been extended to its - * native capacity; i.e. the device has hidden capacity used by one - * of the partitions (this is a flag used so that native capacity is - * only ever unlocked once). - * * ``GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE`` (0x0100): event polling is * blocked whenever a writer holds an exclusive lock. * @@ -86,7 +80,6 @@ struct partition_meta_info { #define GENHD_FL_CD 0x0008 #define GENHD_FL_SUPPRESS_PARTITION_INFO 0x0020 #define GENHD_FL_EXT_DEVT 0x0040 -#define GENHD_FL_NATIVE_CAPACITY 0x0080 #define GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE 0x0100 #define GENHD_FL_NO_PART_SCAN 0x0200 #define GENHD_FL_HIDDEN 0x0400 @@ -140,6 +133,7 @@ struct gendisk { #define GD_NEED_PART_SCAN 0 #define GD_READ_ONLY 1 #define GD_DEAD 2 +#define GD_NATIVE_CAPACITY 3 struct mutex open_mutex; /* open/close mutex */ unsigned open_partitions; /* number of open partitions */ |