fs: don't allocate blocks beyond EOF from __mpage_writepage

When __mpage_writepage() is called for a page beyond EOF, it will go and
allocate all blocks underlying the page.  This is not only unnecessary but
this way blocks can get leaked (e.g.  if a page beyond EOF is marked dirty
but in the end write fails and i_size is not extended).

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Jan Kara <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Al Viro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions