tree dbde0effe5d2e147dd74af96b29ece862b94960d
parent 5b7c3fcc46b5deb8a368d5319cf87c78c2df65fe
author Chris Mason <chris.mason@oracle.com> 1226320290 -0500
committer Chris Mason <chris.mason@oracle.com> 1226320290 -0500

Btrfs: Make sure pages are dirty before doing delalloc for them

This adds a PageDirty check to the writeback path that locks pages
for delalloc.  If a page wasn't dirty at this point, it is in the
process of being truncated away.

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