tree 0fcd75971843a7db70550df761c7028599192a80
parent c0d2f6104e8ab2eb75e58e72494ad4b69c5227f8
author Chandan Rajendra <chandan@linux.vnet.ibm.com> 1466675204 +0530
committer Chris Mason <clm@fb.com> 1466703882 -0700

Btrfs: Force stripesize to the value of sectorsize

Btrfs code currently assumes stripesize to be same as
sectorsize. However Btrfs-progs (until commit
df05c7ed455f519e6e15e46196392e4757257305) has been setting
btrfs_super_block->stripesize to a value of 4096.

This commit makes sure that the value of btrfs_super_block->stripesize
is a power of 2. Later, it unconditionally sets btrfs_root->stripesize
to sectorsize.

Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>