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| author | David Chinner <dgc@sgi.com> | 2007-05-14 18:24:23 +1000 |
|---|---|---|
| committer | Tim Shimmin <tes@chook.melbourne.sgi.com> | 2007-10-15 16:23:45 +1000 |
| commit | 0bfefc46dc028df60120acdb92062169c9328769 (patch) | |
| tree | ce8cecb3f4546300c0d193efa27bf14f78170b3b /Documentation/mtrr.txt | |
| parent | c1561cf463f4a480d1960e833c8fe628207b24e4 (diff) | |
| download | linux-0bfefc46dc028df60120acdb92062169c9328769.tar.gz linux-0bfefc46dc028df60120acdb92062169c9328769.tar.bz2 linux-0bfefc46dc028df60120acdb92062169c9328769.zip | |
[XFS] Barriers need to be dynamically checked and switched off
If the underlying block device suddenly stops supporting barriers, we need
to handle the -EOPNOTSUPP error in a sane manner rather than shutting
down the filesystem. If we get this error, clear the barrier flag, reissue
the I/O, and tell the world bad things are occurring.
SGI-PV: 964544
SGI-Modid: xfs-linux-melb:xfs-kern:28568a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Tim Shimmin <tes@sgi.com>
Diffstat (limited to 'Documentation/mtrr.txt')
0 files changed, 0 insertions, 0 deletions