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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-04 17:22:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-04 17:22:14 -0700 |
| commit | 3d0a8d10cfb4cc3d1877c29a866ee7d8a46aa2fa (patch) | |
| tree | 11a85044d1472f5972ae47ce10a2f446ad981e9f /include/linux/genhd.h | |
| parent | b4fdcb02f1e39c27058a885905bd0277370ba441 (diff) | |
| parent | a0eda62552eba4e1f92d5354bb65c68fb6b45f87 (diff) | |
Merge branch 'for-3.2/drivers' of git://git.kernel.dk/linux-block
* 'for-3.2/drivers' of git://git.kernel.dk/linux-block: (30 commits)
virtio-blk: use ida to allocate disk index
hpsa: add small delay when using PCI Power Management to reset for kump
cciss: add small delay when using PCI Power Management to reset for kump
xen/blkback: Fix two races in the handling of barrier requests.
xen/blkback: Check for proper operation.
xen/blkback: Fix the inhibition to map pages when discarding sector ranges.
xen/blkback: Report VBD_WSECT (wr_sect) properly.
xen/blkback: Support 'feature-barrier' aka old-style BARRIER requests.
xen-blkfront: plug device number leak in xlblk_init() error path
xen-blkfront: If no barrier or flush is supported, use invalid operation.
xen-blkback: use kzalloc() in favor of kmalloc()+memset()
xen-blkback: fixed indentation and comments
xen-blkfront: fix a deadlock while handling discard response
xen-blkfront: Handle discard requests.
xen-blkback: Implement discard requests ('feature-discard')
xen-blkfront: add BLKIF_OP_DISCARD and discard request struct
drivers/block/loop.c: remove unnecessary bdev argument from loop_clr_fd()
drivers/block/loop.c: emit uevent on auto release
drivers/block/cpqarray.c: use pci_dev->revision
loop: always allow userspace partitions and optionally support automatic scanning
...
Fic up trivial header file includsion conflict in drivers/block/loop.c
Diffstat (limited to 'include/linux/genhd.h')
| -rw-r--r-- | include/linux/genhd.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 6957350e122f..9de31bc98c88 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -131,6 +131,7 @@ struct hd_struct { #define GENHD_FL_EXT_DEVT 64 /* allow extended devt */ #define GENHD_FL_NATIVE_CAPACITY 128 #define GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE 256 +#define GENHD_FL_NO_PART_SCAN 512 enum { DISK_EVENT_MEDIA_CHANGE = 1 << 0, /* media changed */ @@ -238,9 +239,10 @@ static inline int disk_max_parts(struct gendisk *disk) return disk->minors; } -static inline bool disk_partitionable(struct gendisk *disk) +static inline bool disk_part_scan_enabled(struct gendisk *disk) { - return disk_max_parts(disk) > 1; + return disk_max_parts(disk) > 1 && + !(disk->flags & GENHD_FL_NO_PART_SCAN); } static inline dev_t disk_devt(struct gendisk *disk) |