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| author | Dave Chinner <dchinner@redhat.com> | 2010-12-23 11:57:37 +1100 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2010-12-23 11:57:37 +1100 |
| commit | 622d81494fa32343a4b97b607619656c7a4a6d1a (patch) | |
| tree | b8a004167d57b577c5da563474f8eb32eff83393 /fs/xfs/xfs_iomap.c | |
| parent | dcfcf20512cb517ac18b9433b676183fa1257911 (diff) | |
| download | linux-exynos-622d81494fa32343a4b97b607619656c7a4a6d1a.tar.gz linux-exynos-622d81494fa32343a4b97b607619656c7a4a6d1a.tar.bz2 linux-exynos-622d81494fa32343a4b97b607619656c7a4a6d1a.zip | |
xfs: use KM_NOFS for allocations during attribute list operations
When listing attributes, we are doiing memory allocations under the
inode ilock using only KM_SLEEP. This allows memory allocation to
recurse back into the filesystem and do writeback, which may the
ilock we already hold on the current inode. THis will deadlock.
Hence use KM_NOFS for such allocations outside of transaction
context to ensure that reclaim recursion does not occur.
Reported-by: Nick Piggin <npiggin@gmail.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_iomap.c')
0 files changed, 0 insertions, 0 deletions