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| author | David Sterba <dsterba@suse.com> | 2017-05-31 20:21:38 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-06-19 19:26:02 +0300 |
| commit | de2491fdefe7e599fa08a81a1b89d03c96c9cbc3 (patch) | |
| tree | b3fd451798e685ab306e10bbc842303d7aecace0 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | f11f74416ae6e63a6d6db9c5b22666a0aa57b881 (diff) | |
| download | linux-de2491fdefe7e599fa08a81a1b89d03c96c9cbc3.tar.xz | |
btrfs: scrub: add memalloc_nofs protection around init_ipath
init_ipath is called from a safe ioctl context and from scrub when
printing an error. The protection is added for three reasons:
* init_data_container calls vmalloc and this does not work as expected
in the GFP_NOFS context, so this silently does GFP_KERNEL and might
deadlock in some cases
* keep the context constraint of GFP_NOFS, used by scrub
* we want to use GFP_KERNEL unconditionally inside init_ipath or its
callees
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions