Hi Eric, > On 23 May 2017, at 02:53, Eric Biggers <ebiggers3@xxxxxxxxx> wrote: > > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > Currently we don't allow direct I/O on encrypted regular files, so in > such cases we return 0 early in ext4_direct_IO(). There was also an > additional BUG_ON() check in ext4_direct_IO_write(), but it can never be > hit because of the earlier check for the exact same condition in > ext4_direct_IO(). There was also no matching check on the read path, > which made the write path specific check seem very ad-hoc. > > Just remove the unnecessary BUG_ON(). > > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> > --- > fs/ext4/inode.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c > index 1bd0bfa547f6..7c6e715b4d2e 100644 > --- a/fs/ext4/inode.c > +++ b/fs/ext4/inode.c > @@ -3629,9 +3629,6 @@ static ssize_t ext4_direct_IO_write(struct kiocb *iocb, struct iov_iter *iter) > get_block_func = ext4_dio_get_block_unwritten_async; > dio_flags = DIO_LOCKING; > } > -#ifdef CONFIG_EXT4_FS_ENCRYPTION > - BUG_ON(ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode)); > -#endif > ret = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, iter, > get_block_func, ext4_end_io_dio, NULL, > dio_flags); > -- > 2.13.0.303.g4ebf302169-goog LGTM. Reviewed-by: David Gstir <david@xxxxxxxxxxxxx> David -- To unsubscribe from this list: send the line "unsubscribe linux-fscrypt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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