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c8746671efbb0c27d3ae28c7474597a7aad'>34fb766e63a1e503ba48482b34325dbb7bd3aafe parentbc2466e4257369d0ebee2b6265070d323343fa72 (diff)
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>
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