Author: asomers
Date: Mon Jan 18 16:41:26 2016
New Revision: 294278
URL: https://svnweb.freebsd.org/changeset/base/294278
Log:
MFC r292573
Fix "mount -a" for NFS and ZFS filesystems with shared mountpoints
sbin/mount.c
Check whether an fstab entry has the same fstype as a mounted
filesystem before declaring it to be mounted. This will allow NFS
filesystems that share a mountpoint with a local filesystem to be
automatically mounted at boot.
This is not such an unusual situation. For example, if somebody uses
the standard installer with a ZFS root, he'll get a /usr/home
filesystem, even though he may choose to mount /usr/home over NFS.
Modified:
stable/10/sbin/mount/mount.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sbin/mount/mount.c
==============================================================================
--- stable/10/sbin/mount/mount.c Mon Jan 18 16:33:03 2016
(r294277)
+++ stable/10/sbin/mount/mount.c Mon Jan 18 16:41:26 2016
(r294278)
@@ -485,10 +485,18 @@ ismounted(struct fstab *fs, struct statf
strlcpy(realfsfile, fs->fs_file, sizeof(realfsfile));
}
+ /*
+ * Consider the filesystem to be mounted if:
+ * It has the same mountpoint as a mounted filesytem, and
+ * It has the same type as that same mounted filesystem, and
+ * It has the same device name as that same mounted filesystem, OR
+ * It is a nonremountable filesystem
+ */
for (i = mntsize - 1; i >= 0; --i)
if (strcmp(realfsfile, mntbuf[i].f_mntonname) == 0 &&
+ strcmp(fs->fs_vfstype, mntbuf[i].f_fstypename) == 0 &&
(!isremountable(fs->fs_vfstype) ||
- strcmp(fs->fs_spec, mntbuf[i].f_mntfromname) == 0))
+ (strcmp(fs->fs_spec, mntbuf[i].f_mntfromname) == 0)))
return (1);
return (0);
}
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