netfs: Implement buffered write API

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Institute a netfs write helper, netfs_file_write_iter(), to be pointed at
by the network filesystem ->write_iter() call.  Make it handled buffered
writes by calling the previously defined netfs_perform_write() to copy the
source data into the pagecache.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org

...

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David Howells 2021-06-17 13:09:21 +01:00

parent 153a9961b5

commit 938e13a73b

2 changed files with 86 additions and 0 deletions

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83

fs/netfs/buffered_write.c

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3

include/linux/netfs.h

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