diff options
| author | J. Bruce Fields <bfields@redhat.com> | 2015-02-02 11:29:29 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2015-02-02 11:29:29 -0500 |
| commit | a584143b01ce69803116ae8d0a4db382acc728d7 (patch) | |
| tree | 002733709647fa1e17683a9d21dbc23ae99e3d2d /drivers/target/target_core_pr.c | |
| parent | 4c94e13e9caed09103419c087f436d79f9d2faba (diff) | |
| parent | 8116bf4cb62d337c953cfa5369ef4cf83e73140c (diff) | |
| download | blackbird-op-linux-a584143b01ce69803116ae8d0a4db382acc728d7.tar.gz blackbird-op-linux-a584143b01ce69803116ae8d0a4db382acc728d7.zip | |
Merge branch 'locks-3.20' of git://git.samba.org/jlayton/linux into for-3.20
Christoph's block pnfs patches have some minor dependencies on these
lock patches.
Diffstat (limited to 'drivers/target/target_core_pr.c')
| -rw-r--r-- | drivers/target/target_core_pr.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index d56f2aaba9af..283cf786ef98 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -528,6 +528,18 @@ static int core_scsi3_pr_seq_non_holder( return 0; } + } else if (we && registered_nexus) { + /* + * Reads are allowed for Write Exclusive locks + * from all registrants. + */ + if (cmd->data_direction == DMA_FROM_DEVICE) { + pr_debug("Allowing READ CDB: 0x%02x for %s" + " reservation\n", cdb[0], + core_scsi3_pr_dump_type(pr_reg_type)); + + return 0; + } } pr_debug("%s Conflict for %sregistered nexus %s CDB: 0x%2x" " for %s reservation\n", transport_dump_cmd_direction(cmd), |
