splice: implement default splice_write method

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If f_op->splice_write() is not implemented, fall back to a plain write.
Use vfs_writev() to write from the pipe buffers.

This will allow splice on all filesystems and file types.  This
includes "direct_io" files in fuse which bypass the page cache.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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Miklos Szeredi 2009-05-07 15:37:37 +02:00 • committed by Jens Axboe

parent 6818173bd6

commit 0b0a47f5c4

1 changed files with 138 additions and 4 deletions

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142

fs/splice.c

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