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Btrfs: fix incorrect {node,sector}size endianness from BTRFS_IOC_FS_INFO
authorOmar Sandoval <osandov@fb.com>
Wed, 23 Aug 2017 06:46:00 +0000 (23:46 -0700)
committerDavid Sterba <dsterba@suse.com>
Tue, 26 Sep 2017 12:48:50 +0000 (14:48 +0200)
commitbea7eafdbda3ba1d4b2ccb9cca829eefb7989bb9
tree0c7da310c92022c74077534b890bb84a1dc2af22tree | snapshot
parent5f14efd3d437205143dcffcf776e0122eae1755acommit | diff
Btrfs: fix incorrect {node,sector}size endianness from BTRFS_IOC_FS_INFO

fs_info->super_copy->{node,sector}size are little-endian, but the ioctl
should return the values in native endianness. Use the cached values in
btrfs_fs_info instead. Found with sparse.

Fixes: 80a773fbfc2d ("btrfs: retrieve more info from FS_INFO ioctl")
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/ioctl.c diff | blob | history
Domain: System / Kernel;