CIFS: Add support for direct I/O write

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With direct I/O write, user supplied buffers are pinned to the memory and data
are transferred directly from user buffers to the transport layer.

Change in v3: add support for kernel AIO

Change in v4:
Refactor common write code to __cifs_writev for direct and non-direct I/O.
Retry on direct I/O failure.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

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Long Li 2018-10-31 22:13:10 +00:00 • committed by Steve French

parent 6e6e2b86c2

commit 8c5f9c1ab7

2 changed files with 164 additions and 41 deletions

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1

fs/cifs/cifsfs.h

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204

fs/cifs/file.c

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