Hi,
Having nested exports like:
/export (ro)
/export/data/share (rw)
and running autofs 4.1.3, on gentoo 4.1.3.-r7 with Xen kernel 2.6.20
the automounter manages to mount /export but fails when mounting
/export/data/share with an error like "Read-only filesystem" during
its mkdir_path call.
To fix this the mkdir_path must accept that when a directory exist
read-only or not on the server it is still an existing directory.
Below is the patch for this.
Another note: why does mkdir_path return errno and not just a single
return code stating yes or no ?
regards
Sonni
--- autofs-4.1.3/daemon/automount.c.org 2007-11-16 21:54:25.000000000 +0100
+++ autofs-4.1.3/daemon/automount.c 2007-11-16 21:55:38.000000000 +0100
@@ -94,12 +94,13 @@
*bp = '\0';
if (mkdir(buf, mode) == -1) {
/* If it already exists, make sure
it's a directory */
- if (errno == EEXIST) {
+ if (errno == EEXIST || errno == EROFS) {
struct stat st;
if (stat(buf, &st) == 0 &&
!S_ISDIR(st.st_mode))
errno = ENOTDIR;
else {
+ errno = EEXIST;
/* last component, return -1 */
if (*cp != '\0')
continue;
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