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![]() In theory, when GENHD_FL_NO_PART_SCAN is set, no partitions can be created on one disk. However, ioctl(BLKPG, BLKPG_ADD_PARTITION) doesn't check GENHD_FL_NO_PART_SCAN, so partitions still can be added even though GENHD_FL_NO_PART_SCAN is set. So far blk_drop_partitions() only removes partitions when disk_part_scan_enabled() return true. This way can make ghost partition on loop device after changing/clearing FD in case that PARTSCAN is disabled, such as partitions can be added via 'parted' on loop disk even though GENHD_FL_NO_PART_SCAN is set. Fix this issue by always removing partitions in blk_drop_partitions(), and this way is correct because the current code supposes that no partitions can be added in case of GENHD_FL_NO_PART_SCAN. Signed-off-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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acorn.c | ||
aix.c | ||
amiga.c | ||
atari.c | ||
atari.h | ||
check.h | ||
cmdline.c | ||
core.c | ||
efi.c | ||
efi.h | ||
ibm.c | ||
karma.c | ||
Kconfig | ||
ldm.c | ||
ldm.h | ||
mac.c | ||
mac.h | ||
Makefile | ||
msdos.c | ||
osf.c | ||
sgi.c | ||
sun.c | ||
sysv68.c | ||
ultrix.c |