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| author | Jan Kara <jack@suse.cz> | 2016-05-12 18:29:20 +0200 |
|---|---|---|
| committer | Ross Zwisler <ross.zwisler@linux.intel.com> | 2016-05-19 15:28:40 -0600 |
| commit | 4d9a2c8746671efbb0c27d3ae28c7474597a7aad (patch) | |
| tree | 34fb766e63a1e503ba48482b34325dbb7bd3aafe /mm/backing-dev.c | |
| parent | bc2466e4257369d0ebee2b6265070d323343fa72 (diff) | |
| download | linux-4d9a2c8746671efbb0c27d3ae28c7474597a7aad.tar.bz2 | |
dax: Remove i_mmap_lock protection
Currently faults are protected against truncate by filesystem specific
i_mmap_sem and page lock in case of hole page. Cow faults are protected
DAX radix tree entry locking. So there's no need for i_mmap_lock in DAX
code. Remove it.
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Diffstat (limited to 'mm/backing-dev.c')
0 files changed, 0 insertions, 0 deletions