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author | des <des@FreeBSD.org> | 2005-05-17 12:00:43 +0000 |
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committer | des <des@FreeBSD.org> | 2005-05-17 12:00:43 +0000 |
commit | d3a97500015b7259f6aa9364ef3e6931a51202d8 (patch) | |
tree | 469a27658d0ddbe76fc11799702e8a88c40eba63 | |
parent | d97501076796993be1cd32e0b75c11809342eb40 (diff) | |
download | FreeBSD-src-d3a97500015b7259f6aa9364ef3e6931a51202d8.zip FreeBSD-src-d3a97500015b7259f6aa9364ef3e6931a51202d8.tar.gz |
Revision 1.173 broke updating a mount from ro to rw. Fix that by clearing
the MNT_RDONLY flag if MNT_UPDATE is set and "ro" was not specified.
Suggested by: cognet
-rw-r--r-- | sys/nfsclient/nfs_vfsops.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/nfsclient/nfs_vfsops.c b/sys/nfsclient/nfs_vfsops.c index cb0f06a..d2a9cf0 100644 --- a/sys/nfsclient/nfs_vfsops.c +++ b/sys/nfsclient/nfs_vfsops.c @@ -512,8 +512,18 @@ nfs_decode_args(struct mount *mp, struct nfsmount *nmp, struct nfs_args *argp) int maxio; s = splnet(); - if (vfs_getopt(mp->mnt_optnew, "ro", NULL, NULL) == 0) + + /* + * Set read-only flag if requested; otherwise, clear it if this is + * an update. If this is not an update, then either the read-only + * flag is already clear, or this is a root mount and it was set + * intentionally at some previous point. + */ + if (vfs_getopt(mp->mnt_optnew, "ro", NULL, NULL) != 0) mp->mnt_flag |= MNT_RDONLY; + else if (!(mp->mnt_flag & MNT_UPDATE)) + mp->mnt_flag &= ~MNT_RDONLY; + /* * Silently clear NFSMNT_NOCONN if it's a TCP mount, it makes * no sense in that context. |