vol: Remove O_EXCL|O_TRUNC combinations

A few places were specifying both O_EXCL and O_TRUNC to open().
O_TRUNC does not make any sense with O_EXCL, and doesn't do anything,
so remove O_TRUNC from these instances to make the code more clear.

Change-Id: Ie8d9d7b9912a96683ef34f762607e75468b5ac78
Reviewed-on: http://gerrit.openafs.org/5832
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>

diff --git a/src/vol/namei_ops.c b/src/vol/namei_ops.c
index 811beae..904b81c 100644 (file)
--- a/src/vol/namei_ops.c
+++ b/src/vol/namei_ops.c
@@ -749,11 +749,11 @@ namei_icreate(IHandle_t * lh, char *part, afs_uint32 p1, afs_uint32 p2, afs_uint
     p++;
     for (tag = 0; tag < NAMEI_MAXVOLS; tag++) {
         *p = *int_to_base32(str1, tag);
-        fd = OS_OPEN((char *)&name.n_path, O_CREAT | O_RDWR | O_TRUNC | O_EXCL, 0666);
+        fd = OS_OPEN((char *)&name.n_path, O_CREAT | O_RDWR | O_EXCL, 0666);
         if (fd == INVALID_FD) {
             if (errno == ENOTDIR || errno == ENOENT) {
                 if (namei_CreateDataDirectories(&name, &created_dir) == 0)
-                    fd = OS_OPEN((char *)&name.n_path, O_CREAT | O_RDWR | O_TRUNC | O_EXCL, 0666);
+                    fd = OS_OPEN((char *)&name.n_path, O_CREAT | O_RDWR | O_EXCL, 0666);
             }
         }
 
@@ -885,12 +885,12 @@ namei_icreate(IHandle_t * lh, char *part, afs_uint32 p1, afs_uint32 p2, afs_uint
     }
 
     namei_HandleToName(&name, &tmp);
-    fd = OS_OPEN(name.n_path, O_CREAT | O_EXCL | O_TRUNC | O_RDWR, 0);
+    fd = OS_OPEN(name.n_path, O_CREAT | O_EXCL | O_RDWR, 0);
     if (fd == INVALID_FD) {
        if (errno == ENOTDIR || errno == ENOENT) {
            if (namei_CreateDataDirectories(&name, &created_dir) < 0)
                goto bad;
-           fd = OS_OPEN(name.n_path, O_CREAT | O_EXCL | O_TRUNC | O_RDWR,
+           fd = OS_OPEN(name.n_path, O_CREAT | O_EXCL | O_RDWR,
                          0);
            if (fd == INVALID_FD)
                goto bad;
@@ -1137,7 +1137,7 @@ namei_copy_on_write(IHandle_t *h)
        if (!fdP)
            return EIO;
        snprintf(path, sizeof(path), "%s-tmp", name.n_path);
-       fd = OS_OPEN(path, O_CREAT | O_EXCL | O_TRUNC | O_RDWR, 0);
+       fd = OS_OPEN(path, O_CREAT | O_EXCL | O_RDWR, 0);
        if (fd == INVALID_FD) {
            FDH_CLOSE(fdP);
            return EIO;
@@ -2890,7 +2890,7 @@ namei_ConvertROtoRWvolume(char *pname, afs_uint32 volumeId)
     }
     t_ih.ih_ino = namei_MakeSpecIno(ih->ih_vid, VI_VOLINFO);
     namei_HandleToName(&n, &t_ih);
-    fd2 = OS_OPEN(n.n_path, O_CREAT | O_EXCL | O_TRUNC | O_RDWR, 0);
+    fd2 = OS_OPEN(n.n_path, O_CREAT | O_EXCL | O_RDWR, 0);
     if (fd2 == INVALID_FD) {
        Log("1 namei_ConvertROtoRWvolume: could not create RW info file: %s\n", n.n_path);
        OS_CLOSE(fd);