diff options
| author | Jan Kara <jack@suse.cz> | 2018-01-07 16:41:01 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2018-01-07 16:41:01 -0500 |
| commit | 22446423108f3687167c9fdc080e6f21dd784d18 (patch) | |
| tree | 38cad36cd241ce7ffdfd65058ebb128e643bb9b4 /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | c0b24625979284dd212423320fe1c84fe244ed7f (diff) | |
ext4: fix ENOSPC handling in DAX page fault handler
When allocation of underlying block for a page fault fails, we fail the
fault with SIGBUS. However we may well hit ENOSPC just due to lots of
free blocks being held by the running / committing transaction. So
propagate the error from ext4_iomap_begin() and implement do standard
allocation retry loop in ext4_dax_huge_fault().
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions