Btrfs: buffer results in the space_info ioctl

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The space_info ioctl was using copy_to_user inside rcu_read_lock.  This
commit changes things to copy into a buffer first and then dump the
result down to userland.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

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This commit is contained in:

Chris Mason 2010-03-16 15:40:10 -04:00

parent ce769a2904

commit 7fde62bffb

1 changed files with 46 additions and 11 deletions

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fs/btrfs/ioctl.c

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