From: Bruce Korb <bruce.k...@gmail.com> Add and update documentation about some of the ldlm l_flags.
Signed-off-by: Bruce Korb <bruce.k...@gmail.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2906 Reviewed-by: Keith Mannthey <keith.mannt...@intel.com> Reviewed-on: http://review.whamcloud.com/7963 Reviewed-by: Doug Oucharek <doug.s.oucha...@intel.com> Reviewed-by: Andreas Dilger <andreas.dil...@intel.com> Signed-off-by: James Simmons <jsimm...@infradead.org> --- .../lustre/lustre/include/lustre_dlm_flags.h | 14 +++++++------- 1 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h b/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h index 1eb0cc4..e7e0c21 100644 --- a/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h +++ b/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h @@ -198,7 +198,7 @@ #define ldlm_set_cancel(_l) LDLM_SET_FLAG((_l), 1ULL << 36) #define ldlm_clear_cancel(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 36) -/** whatever it might mean */ +/** whatever it might mean -- never transmitted? */ #define LDLM_FL_LOCAL_ONLY 0x0000002000000000ULL /* bit 37 */ #define ldlm_is_local_only(_l) LDLM_TEST_FLAG((_l), 1ULL << 37) #define ldlm_set_local_only(_l) LDLM_SET_FLAG((_l), 1ULL << 37) @@ -281,18 +281,18 @@ * has canceled this lock and is waiting for rpc_lock which is taken by * the first operation. LDLM_FL_BL_AST is set by ldlm_callback_handler() in * the lock to prevent the Early Lock Cancel (ELC) code from cancelling it. - * - * LDLM_FL_BL_DONE is to be set by ldlm_cancel_callback() when lock cache is - * dropped to let ldlm_callback_handler() return EINVAL to the server. It - * is used when ELC RPC is already prepared and is waiting for rpc_lock, - * too late to send a separate CANCEL RPC. */ #define LDLM_FL_BL_AST 0x0000400000000000ULL /* bit 46 */ #define ldlm_is_bl_ast(_l) LDLM_TEST_FLAG((_l), 1ULL << 46) #define ldlm_set_bl_ast(_l) LDLM_SET_FLAG((_l), 1ULL << 46) #define ldlm_clear_bl_ast(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 46) -/** whatever it might mean */ +/** + * Set by ldlm_cancel_callback() when lock cache is dropped to let + * ldlm_callback_handler() return EINVAL to the server. It is used when + * ELC RPC is already prepared and is waiting for rpc_lock, too late to + * send a separate CANCEL RPC. + */ #define LDLM_FL_BL_DONE 0x0000800000000000ULL /* bit 47 */ #define ldlm_is_bl_done(_l) LDLM_TEST_FLAG((_l), 1ULL << 47) #define ldlm_set_bl_done(_l) LDLM_SET_FLAG((_l), 1ULL << 47) -- 1.7.1
