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author | Dave Chinner <dchinner@redhat.com> | 2012-03-07 04:50:22 +0000 |
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committer | Ben Myers <bpm@sgi.com> | 2012-03-15 14:54:23 -0500 |
commit | f074211f6041305b645669464343d504f4e6a290 (patch) | |
tree | 2fd1678c72b47683e25f69e247dfecaec79e477b /fs/xfs/xfs_super.h | |
parent | ad650f5b27bc9858360b42aaa0d9204d16115316 (diff) | |
download | blackbird-op-linux-f074211f6041305b645669464343d504f4e6a290.tar.gz blackbird-op-linux-f074211f6041305b645669464343d504f4e6a290.zip |
xfs: fallback to vmalloc for large buffers in xfs_getbmap
xfs_getbmap uses for a large buffer for extents, which is kmalloc'd.
This can fail after the system has been running for some time as it
is a high order allocation. Add a fallback to vmalloc so that it
doesn't require contiguous memory and so won't randomly fail on
files with large extent lists.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_super.h')
0 files changed, 0 insertions, 0 deletions