storage/posix: Adding implementation for posix_do_futimes

Adding the implementation for the posix_do_futimes function which is
not complete in the current implementation and giving the ENOSYS error.

Change-Id: I9cfc95a7ea293b0a2df8efd4ac80d0120b3120e4
BUG: 1350406
Signed-off-by: karthik-us <ksubrahm@redhat.com>

4 files changed, 55 insertions, 8 deletions

diff --git a/extras/test/ld-preload-test/ld-preload-lib.c b/extras/test/ld-preload-test/ld-preload-lib.c
index 8f74a25cf68..179bf8b05d0 100644
--- a/extras/test/ld-preload-test/ld-preload-lib.c
+++ b/extras/test/ld-preload-test/ld-preload-lib.c
@@ -293,6 +293,14 @@ utimes (const char *path, const struct timeval times[2])
 }
 
 int
+futimes (int fd, const struct timeval times[2])
+{
+        intercept ("futimes", 2);
+        set_errno ();
+        return -1;
+}
+
+int
 utime (const char *path, const struct utimbuf *buf)
 {
         intercept ("utime", 2);
diff --git a/libglusterfs/src/syscall.c b/libglusterfs/src/syscall.c
index 3a3d5318baa..bdbbbf2fc0e 100644
--- a/libglusterfs/src/syscall.c
+++ b/libglusterfs/src/syscall.c
@@ -283,6 +283,13 @@ sys_utimensat (int dirfd, const char *filename, const struct timespec times[2],
 
 
 int
+sys_futimes (int fd, const struct timeval times[2])
+{
+        return futimes (fd, times);
+}
+
+
+int
 sys_creat (const char *pathname, mode_t mode)
 {
         return sys_open(pathname, O_CREAT | O_TRUNC | O_WRONLY, mode);
diff --git a/libglusterfs/src/syscall.h b/libglusterfs/src/syscall.h
index 0cb61b66d36..032ff70ffb6 100644
--- a/libglusterfs/src/syscall.h
+++ b/libglusterfs/src/syscall.h
@@ -137,6 +137,9 @@ sys_utimensat (int dirfd, const char *filename, const struct timespec times[2],
 #endif
 
 int
+sys_futimes (int fd, const struct timeval times[2]);
+
+int
 sys_creat (const char *pathname, mode_t mode);
 
 ssize_t
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c
index d487016d500..117a58ce96c 100644
--- a/xlators/storage/posix/src/posix.c
+++ b/xlators/storage/posix/src/posix.c
@@ -640,15 +640,44 @@ posix_do_fchmod (xlator_t *this,
 }
 
 static int
-posix_do_futimes (xlator_t *this,
-                  int fd,
-                  struct iatt *stbuf)
+posix_do_futimes (xlator_t *this, int fd, struct iatt *stbuf, int valid)
 {
-        gf_msg (this->name, GF_LOG_WARNING, ENOSYS, P_MSG_UNKNOWN_OP,
-                "function not implemented fd(%d)", fd);
+        int32_t ret              =     -1;
+        struct timeval tv[2]     =     { {0,}, {0,} };
+        struct stat stat         =     {0,};
 
-        errno = ENOSYS;
-        return -1;
+        ret = sys_fstat (fd, &stat);
+        if (ret != 0) {
+                gf_msg (this->name, GF_LOG_WARNING, errno,
+                        P_MSG_FILE_OP_FAILED, "%d", fd);
+                goto out;
+        }
+
+        if ((valid & GF_SET_ATTR_ATIME) == GF_SET_ATTR_ATIME) {
+                tv[0].tv_sec  = stbuf->ia_atime;
+                tv[0].tv_usec = stbuf->ia_atime_nsec / 1000;
+        } else {
+                /* atime is not given, use current values */
+                tv[0].tv_sec  = ST_ATIM_SEC (&stat);
+                tv[0].tv_usec = ST_ATIM_NSEC (&stat) / 1000;
+        }
+
+        if ((valid & GF_SET_ATTR_MTIME) == GF_SET_ATTR_MTIME) {
+                tv[1].tv_sec  = stbuf->ia_mtime;
+                tv[1].tv_usec = stbuf->ia_mtime_nsec / 1000;
+        } else {
+                /* mtime is not given, use current values */
+                tv[1].tv_sec  = ST_MTIM_SEC (&stat);
+                tv[1].tv_usec = ST_MTIM_NSEC (&stat) / 1000;
+        }
+
+        ret = sys_futimes (fd, tv);
+        if (ret == -1)
+                gf_msg (this->name, GF_LOG_ERROR, errno, P_MSG_FUTIMES_FAILED,
+                        "%d", fd);
+
+out:
+        return ret;
 }
 
 int
@@ -709,7 +738,7 @@ posix_fsetattr (call_frame_t *frame, xlator_t *this,
         }
 
         if (valid & (GF_SET_ATTR_ATIME | GF_SET_ATTR_MTIME)) {
-                op_ret = posix_do_futimes (this, pfd->fd, stbuf);
+                op_ret = posix_do_futimes (this, pfd->fd, stbuf, valid);
                 if (op_ret == -1) {
                         op_errno = errno;
                         gf_msg (this->name, GF_LOG_ERROR, errno,