On Sun, 29 Apr 2007 23:30:12 -0400 Josef Sipek <[EMAIL PROTECTED]> wrote:
> Signed-off-by: Josef 'Jeff' Sipek <[EMAIL PROTECTED]> > > diff --git a/fs/namei.c b/fs/namei.c > index 2995fba..1516a9b 100644 > --- a/fs/namei.c > +++ b/fs/namei.c > @@ -1125,6 +1125,10 @@ static int fastcall do_path_lookup(int dfd, const char > *name, > nd->mnt = mntget(fs->rootmnt); > nd->dentry = dget(fs->root); > read_unlock(&fs->lock); > + } else if (flags & LOOKUP_ONE) { > + /* nd->mnt and nd->dentry already set, just grab references */ > + mntget(nd->mnt); > + dget(nd->dentry); > } else if (dfd == AT_FDCWD) { > read_lock(&fs->lock); > nd->mnt = mntget(fs->pwdmnt); > diff --git a/include/linux/namei.h b/include/linux/namei.h > index 92b422b..aa89d97 100644 > --- a/include/linux/namei.h > +++ b/include/linux/namei.h > @@ -48,6 +48,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, > LAST_BIND}; > * - internal "there are more path compnents" flag > * - locked when lookup done with dcache_lock held > * - dentry cache is untrusted; force a real lookup > + * - lookup path from given dentry/vfsmount pair > */ > #define LOOKUP_FOLLOW 1 > #define LOOKUP_DIRECTORY 2 > @@ -55,6 +56,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, > LAST_BIND}; > #define LOOKUP_PARENT 16 > #define LOOKUP_NOALT 32 > #define LOOKUP_REVAL 64 > +#define LOOKUP_ONE 128 Well the patch passes my too-small-to-care-about test ;) Unless someone objects I'd suggest that you add it to the unionfs tree. - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html