orangefs: write range tracking

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Attach the actual range of bytes written to plus the responsible uid/gid
to each dirty page.  This information must be sent to the server when
the page is written out.

Now write_begin, page_mkwrite, and invalidatepage keep up with this
information.  There are several conditions where they must write out the
page immediately to store the new range.  Two non-contiguous ranges
cannot be stored on a single page.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>

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Martin Brandenburg 2018-12-14 15:24:43 -05:00 • committed by Mike Marshall

parent 90fc07065a

commit 52e2d0a380

3 changed files with 274 additions and 35 deletions

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10

fs/orangefs/file.c

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289

fs/orangefs/inode.c

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10

fs/orangefs/orangefs-kernel.h

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