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| /openbmc/linux/fs/gfs2/ |
| H A D | aops.c | 8f065d36 Tue May 03 05:49:19 CDT 2011 Steven Whitehouse <swhiteho@redhat.com> GFS2: Improve bug trap code in ->releasepage()
If the buffer is dirty or pinned, then as well as printing a
warning, we should also refuse to release the page in
question.
Currently this can occur if there is a race between mmap()ed
writers and O_DIRECT on the same file. With the addition of
->launder_page() in the future, we should be able to close
this gap.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
8f065d36 Tue May 03 05:49:19 CDT 2011 Steven Whitehouse <swhiteho@redhat.com> GFS2: Improve bug trap code in ->releasepage()
If the buffer is dirty or pinned, then as well as printing a
warning, we should also refuse to release the page in
question.
Currently this can occur if there is a race between mmap()ed
writers and O_DIRECT on the same file. With the addition of
->launder_page() in the future, we should be able to close
this gap.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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