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ext4: nowait aio support
authorGoldwyn Rodrigues <[email protected]>
Tue, 20 Jun 2017 12:05:47 +0000 (07:05 -0500)
committerJens Axboe <[email protected]>
Tue, 20 Jun 2017 13:12:03 +0000 (07:12 -0600)
commit728fbc0e10b7f3ce2ee043b32e3453fd5201c055
treeeff612a5bd8832bb002d3adde66a9b6c5a475f6dtree | snapshot
parent03a07c92a9ed9938d828ca7f1d11b8bc63a7bb89commit | diff
ext4: nowait aio support

Return EAGAIN if any of the following checks fail for direct I/O:
  + i_rwsem is lockable
  + Writing beyond end of file (will trigger allocation)
  + Blocks are not allocated at the write location

Signed-off-by: Goldwyn Rodrigues <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
fs/ext4/file.c diff | blob | blame | history
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