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libata: make ata_print_id atomic
authorDan Williams <dan.j.williams@intel.com>
Thu, 22 Mar 2012 04:09:05 +0000 (21:09 -0700)
committerDan Williams <dan.j.williams@intel.com>
Wed, 11 Apr 2012 02:15:23 +0000 (19:15 -0700)
commitcb7e940b56fc8a67a6a17bc7935268f7b128f90d
tree473a2ad273f5d9a9c74eda97020e5904435b5c28tree | snapshot
parent6ec4dacc7c11b5999abe78f9a7e0125062b1d660commit | diff
libata: make ata_print_id atomic

This variable is incremented from multiple contexts (module_init via
libata-lldds and the libsas discovery thread).  Make it atomic to head
off any chance of libsas and libata creating duplicate ids.

Acked-by: Jacek Danecki <jacek.danecki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/ata/libata-core.c diff | blob | history
drivers/ata/libata-scsi.c diff | blob | history
drivers/ata/libata.h diff | blob | history
Linux kernel for KaRo TX COM modules