Changes to replace flock with gf_flock across GlusterFS.

Signed-off-by: Pavan Vilas Sondur <pavan@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>

BUG: 865 (Add locks recovery support in GlusterFS)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=865

7 files changed, 40 insertions, 32 deletions

diff --git a/libglusterfs/src/call-stub.c b/libglusterfs/src/call-stub.c
index 7008cfd6f..551fa99ae 100644
--- a/libglusterfs/src/call-stub.c
+++ b/libglusterfs/src/call-stub.c
@@ -1469,7 +1469,7 @@ fop_lk_stub (call_frame_t *frame,
 	     fop_lk_t fn,
 	     fd_t *fd,
 	     int32_t cmd,
-	     struct flock *lock)
+	     struct gf_flock *lock)
 {
 	call_stub_t *stub = NULL;
 
@@ -1494,7 +1494,7 @@ fop_lk_cbk_stub (call_frame_t *frame,
 		 fop_lk_cbk_t fn,
 		 int32_t op_ret,
 		 int32_t op_errno,
-		 struct flock *lock)
+		 struct gf_flock *lock)
 
 {
 	call_stub_t *stub = NULL;
@@ -1515,7 +1515,7 @@ out:
 
 call_stub_t *
 fop_inodelk_stub (call_frame_t *frame, fop_inodelk_t fn,
-		  const char *volume, loc_t *loc, int32_t cmd, struct flock *lock)
+		  const char *volume, loc_t *loc, int32_t cmd, struct gf_flock *lock)
 {
   call_stub_t *stub = NULL;
 
@@ -1561,7 +1561,7 @@ fop_inodelk_cbk_stub (call_frame_t *frame, fop_inodelk_cbk_t fn,
 
 call_stub_t *
 fop_finodelk_stub (call_frame_t *frame, fop_finodelk_t fn,
-		   const char *volume, fd_t *fd, int32_t cmd, struct flock *lock)
+		   const char *volume, fd_t *fd, int32_t cmd, struct gf_flock *lock)
 {
   call_stub_t *stub = NULL;
 
diff --git a/libglusterfs/src/call-stub.h b/libglusterfs/src/call-stub.h
index 83efa9a48..340468c3e 100644
--- a/libglusterfs/src/call-stub.h
+++ b/libglusterfs/src/call-stub.h
@@ -416,12 +416,12 @@ typedef struct {
 			fop_lk_t fn;
 			fd_t *fd;
 			int32_t cmd;
-			struct flock lock;
+			struct gf_flock lock;
 		} lk;
 		struct {
 			fop_lk_cbk_t fn;
 			int32_t op_ret, op_errno;
-			struct flock lock;
+			struct gf_flock lock;
 		} lk_cbk;
 
 		/* inodelk */
@@ -430,7 +430,7 @@ typedef struct {
                         const char *volume;
 			loc_t loc;
 			int32_t cmd;
-			struct flock lock;
+			struct gf_flock lock;
 		} inodelk;
 
 		struct {
@@ -444,7 +444,7 @@ typedef struct {
                         const char *volume;
 			fd_t *fd;
 			int32_t cmd;
-			struct flock lock;
+			struct gf_flock lock;
 		} finodelk;
 
 		struct {
@@ -968,24 +968,24 @@ fop_lk_stub (call_frame_t *frame,
 	     fop_lk_t fn,
 	     fd_t *fd,
 	     int32_t cmd,
-	     struct flock *lock);
+	     struct gf_flock *lock);
 
 call_stub_t *
 fop_lk_cbk_stub (call_frame_t *frame,
 		 fop_lk_cbk_t fn,
 		 int32_t op_ret,
 		 int32_t op_errno,
-		 struct flock *lock);
+		 struct gf_flock *lock);
 
 call_stub_t *
 fop_inodelk_stub (call_frame_t *frame, fop_inodelk_t fn,
 		  const char *volume, loc_t *loc, int32_t cmd, 
-                  struct flock *lock);
+                  struct gf_flock *lock);
 
 call_stub_t *
 fop_finodelk_stub (call_frame_t *frame, fop_finodelk_t fn,
 		   const char *volume, fd_t *fd, int32_t cmd, 
-                   struct flock *lock);
+                   struct gf_flock *lock);
 
 call_stub_t *
 fop_entrylk_stub (call_frame_t *frame, fop_entrylk_t fn,
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index 75476a029..f2db89c33 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -1392,7 +1392,7 @@ gf_string2boolean (const char *str, gf_boolean_t *b)
 int
 gf_lockfd (int fd)
 {
-	struct flock fl;
+	struct gf_flock fl;
 
 	fl.l_type = F_WRLCK;
 	fl.l_whence = SEEK_SET;
@@ -1406,7 +1406,7 @@ gf_lockfd (int fd)
 int
 gf_unlockfd (int fd)
 {
-	struct flock fl;
+	struct gf_flock fl;
 
 	fl.l_type = F_UNLCK;
 	fl.l_whence = SEEK_SET;
diff --git a/libglusterfs/src/defaults.c b/libglusterfs/src/defaults.c
index d51cc8cca..3e271dde4 100644
--- a/libglusterfs/src/defaults.c
+++ b/libglusterfs/src/defaults.c
@@ -329,7 +329,7 @@ default_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 
 int32_t
 default_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                int32_t op_ret, int32_t op_errno, struct flock *lock)
+                int32_t op_ret, int32_t op_errno, struct gf_flock *lock)
 {
         STACK_UNWIND_STRICT (lk, frame, op_ret, op_errno, lock);
         return 0;
@@ -675,7 +675,7 @@ default_removexattr_resume (call_frame_t *frame, xlator_t *this, loc_t *loc,
 
 int32_t
 default_lk_resume (call_frame_t *frame, xlator_t *this, fd_t *fd,
-                   int32_t cmd, struct flock *lock)
+                   int32_t cmd, struct gf_flock *lock)
 {
         STACK_WIND (frame, default_lk_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->lk, fd, cmd, lock);
@@ -686,7 +686,7 @@ default_lk_resume (call_frame_t *frame, xlator_t *this, fd_t *fd,
 int32_t
 default_inodelk_resume (call_frame_t *frame, xlator_t *this,
                         const char *volume, loc_t *loc, int32_t cmd,
-                        struct flock *lock)
+                        struct gf_flock *lock)
 {
         STACK_WIND (frame, default_inodelk_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->inodelk,
@@ -697,7 +697,7 @@ default_inodelk_resume (call_frame_t *frame, xlator_t *this,
 int32_t
 default_finodelk_resume (call_frame_t *frame, xlator_t *this,
                          const char *volume, fd_t *fd, int32_t cmd,
-                         struct flock *lock)
+                         struct gf_flock *lock)
 {
         STACK_WIND (frame, default_finodelk_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->finodelk,
@@ -1043,7 +1043,7 @@ default_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
 
 int32_t
 default_lk (call_frame_t *frame, xlator_t *this, fd_t *fd,
-            int32_t cmd, struct flock *lock)
+            int32_t cmd, struct gf_flock *lock)
 {
         STACK_WIND (frame, default_lk_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->lk, fd, cmd, lock);
@@ -1054,7 +1054,7 @@ default_lk (call_frame_t *frame, xlator_t *this, fd_t *fd,
 int32_t
 default_inodelk (call_frame_t *frame, xlator_t *this,
                  const char *volume, loc_t *loc, int32_t cmd,
-                 struct flock *lock)
+                 struct gf_flock *lock)
 {
         STACK_WIND (frame, default_inodelk_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->inodelk,
@@ -1064,7 +1064,7 @@ default_inodelk (call_frame_t *frame, xlator_t *this,
 
 int32_t
 default_finodelk (call_frame_t *frame, xlator_t *this,
-                  const char *volume, fd_t *fd, int32_t cmd, struct flock *lock)
+                  const char *volume, fd_t *fd, int32_t cmd, struct gf_flock *lock)
 {
         STACK_WIND (frame, default_finodelk_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->finodelk,
diff --git a/libglusterfs/src/defaults.h b/libglusterfs/src/defaults.h
index 7ddb10061..f02358210 100644
--- a/libglusterfs/src/defaults.h
+++ b/libglusterfs/src/defaults.h
@@ -181,15 +181,15 @@ int32_t default_lk (call_frame_t *frame,
                     xlator_t *this,
                     fd_t *fd,
                     int32_t cmd,
-                    struct flock *flock);
+                    struct gf_flock *flock);
 
 int32_t default_inodelk (call_frame_t *frame, xlator_t *this,
                          const char *volume, loc_t *loc, int32_t cmd,
-                         struct flock *flock);
+                         struct gf_flock *flock);
 
 int32_t default_finodelk (call_frame_t *frame, xlator_t *this,
                           const char *volume, fd_t *fd, int32_t cmd,
-                          struct flock *flock);
+                          struct gf_flock *flock);
 
 int32_t default_entrylk (call_frame_t *frame, xlator_t *this,
                          const char *volume, loc_t *loc, const char *basename,
@@ -396,15 +396,15 @@ int32_t default_lk_resume (call_frame_t *frame,
                     xlator_t *this,
                     fd_t *fd,
                     int32_t cmd,
-                    struct flock *flock);
+                    struct gf_flock *flock);
 
 int32_t default_inodelk_resume (call_frame_t *frame, xlator_t *this,
                          const char *volume, loc_t *loc, int32_t cmd,
-                         struct flock *flock);
+                         struct gf_flock *flock);
 
 int32_t default_finodelk_resume (call_frame_t *frame, xlator_t *this,
                           const char *volume, fd_t *fd, int32_t cmd,
-                          struct flock *flock);
+                          struct gf_flock *flock);
 
 int32_t default_entrylk_resume (call_frame_t *frame, xlator_t *this,
                          const char *volume, loc_t *loc, const char *basename,
@@ -627,7 +627,7 @@ default_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 
 int32_t
 default_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                int32_t op_ret, int32_t op_errno, struct flock *lock);
+                int32_t op_ret, int32_t op_errno, struct gf_flock *lock);
 
 int32_t
 default_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
diff --git a/libglusterfs/src/glusterfs.h b/libglusterfs/src/glusterfs.h
index 2bb06fbb7..9e66c3044 100644
--- a/libglusterfs/src/glusterfs.h
+++ b/libglusterfs/src/glusterfs.h
@@ -144,6 +144,14 @@ typedef enum {
         GF_OP_TYPE_MAX,
 } gf_op_type_t;
 
+struct gf_flock {
+        short    l_type;
+        short    l_whence;
+        off_t    l_start;
+        off_t    l_len;
+        pid_t    l_pid;
+        uint64_t l_owner;
+};
 
 /* NOTE: all the miscellaneous flags used by GlusterFS should be listed here */
 typedef enum {
diff --git a/libglusterfs/src/xlator.h b/libglusterfs/src/xlator.h
index 84ad990d4..618cf2025 100644
--- a/libglusterfs/src/xlator.h
+++ b/libglusterfs/src/xlator.h
@@ -339,7 +339,7 @@ typedef int32_t (*fop_lk_cbk_t) (call_frame_t *frame,
 				 xlator_t *this,
 				 int32_t op_ret,
 				 int32_t op_errno,
-				 struct flock *flock);
+				 struct gf_flock *flock);
 
 typedef int32_t (*fop_inodelk_cbk_t) (call_frame_t *frame,
 				      void *cookie,
@@ -560,21 +560,21 @@ typedef int32_t (*fop_lk_t) (call_frame_t *frame,
 			     xlator_t *this,
 			     fd_t *fd,
 			     int32_t cmd,
-			     struct flock *flock);
+			     struct gf_flock *flock);
 
 typedef int32_t (*fop_inodelk_t) (call_frame_t *frame,
 				  xlator_t *this,
                                   const char *volume,
 				  loc_t *loc,
 				  int32_t cmd,
-				  struct flock *flock);
+				  struct gf_flock *flock);
 
 typedef int32_t (*fop_finodelk_t) (call_frame_t *frame,
 				   xlator_t *this,
                                    const char *volume,
 				   fd_t *fd,
 				   int32_t cmd,
-				   struct flock *flock);
+				   struct gf_flock *flock);
 
 typedef int32_t (*fop_entrylk_t) (call_frame_t *frame,
 				  xlator_t *this,