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loop: fix LO_FLAGS_PARTSCAN hang

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am: cd3db55c64

Change-Id: I19b2069183011982702a38dfad5f2b589bbd3f4e
This commit is contained in:
Omar Sandoval
2017-03-12 08:17:38 +00:00
committed by android-build-merger
parent 4e15ddc811 cd3db55c64
commit b267b4c1f8
1 changed files with 8 additions and 7 deletions
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15
drivers/block/loop.c
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@@ -1153,13 +1153,6 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
(info->lo_flags & LO_FLAGS_AUTOCLEAR))
lo->lo_flags ^= LO_FLAGS_AUTOCLEAR;
if ((info->lo_flags & LO_FLAGS_PARTSCAN) &&
!(lo->lo_flags & LO_FLAGS_PARTSCAN)) {
lo->lo_flags |= LO_FLAGS_PARTSCAN;
lo->lo_disk->flags &= ~GENHD_FL_NO_PART_SCAN;
loop_reread_partitions(lo, lo->lo_device);
}
lo->lo_encrypt_key_size = info->lo_encrypt_key_size;
lo->lo_init[0] = info->lo_init[0];
lo->lo_init[1] = info->lo_init[1];
@@ -1174,6 +1167,14 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
exit:
blk_mq_unfreeze_queue(lo->lo_queue);
if (!err && (info->lo_flags & LO_FLAGS_PARTSCAN) &&
!(lo->lo_flags & LO_FLAGS_PARTSCAN)) {
lo->lo_flags |= LO_FLAGS_PARTSCAN;
lo->lo_disk->flags &= ~GENHD_FL_NO_PART_SCAN;
loop_reread_partitions(lo, lo->lo_device);
}
return err;
}