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Jan Kara authored
Since commit 378f32ba ("ext4: introduce direct I/O write using iomap infrastructure") we don't properly bail out of RWF_NOWAIT direct IO write if underlying blocks are not allocated. Also ext4_dio_write_checks() does not honor RWF_NOWAIT when re-acquiring i_rwsem. Fix both issues. Fixes: 378f32ba ("ext4: introduce direct I/O write using iomap infrastructure") Cc: stable@kernel.org Reported-by:
Filipe Manana <fdmanana@gmail.com> Signed-off-by:
Jan Kara <jack@suse.cz> Reviewed-by:
Ritesh Harjani <riteshh@linux.ibm.com> Link: https://lore.kernel.org/r/20200708153516.9507-1-jack@suse.czSigned-off-by:
Theodore Ts'o <tytso@mit.edu>
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