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Revision 1.173 broke updating a mount from ro to rw. Fix that by clearing

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the MNT_RDONLY flag if MNT_UPDATE is set and "ro" was not specified.

Suggested by:	cognet
This commit is contained in:
des 2005-05-17 12:00:43 +00:00
parent d975010767
commit d3a9750001
1 changed files with 11 additions and 1 deletions
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12
sys/nfsclient/nfs_vfsops.c
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@ -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.