From: Trond Myklebust Date: Mon, 1 Oct 2007 21:42:01 -0400 NFSv4: Fix nfs_atomic_open() to set the verifier on negative dentries too Signed-off-by: Trond Myklebust --- fs/nfs/dir.c | 8 -------- fs/nfs/nfs4proc.c | 7 ++++++- include/linux/nfs_fs.h | 5 +++++ 3 files changed, 11 insertions(+), 9 deletions(-) diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 41b063c..82878a1 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -656,11 +656,6 @@ static int nfs_check_verifier(struct inode *dir, struct dentry *dentry) return 1; } -static inline void nfs_set_verifier(struct dentry * dentry, unsigned long verf) -{ - dentry->d_time = verf; -} - /* * Return the intent data that applies to this particular path component * @@ -1016,7 +1011,6 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry } } else if (res != NULL) dentry = res; - nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); out: return res; no_open: @@ -1060,8 +1054,6 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd) */ lock_kernel(); ret = nfs4_open_revalidate(dir, dentry, openflags, nd); - if (ret == 1) - nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); unlock_kernel(); out: dput(parent); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 0748c70..52af5a7 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1399,13 +1399,16 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd) state = nfs4_do_open(dir, &path, nd->intent.open.flags, &attr, cred); put_rpccred(cred); if (IS_ERR(state)) { - if (PTR_ERR(state) == -ENOENT) + if (PTR_ERR(state) == -ENOENT) { d_add(dentry, NULL); + nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); + } return (struct dentry *)state; } res = d_add_unique(dentry, igrab(state->inode)); if (res != NULL) path.dentry = res; + nfs_set_verifier(path.dentry, nfs_save_change_attribute(dir)); nfs4_intent_set_file(nd, &path, state); return res; } @@ -1439,6 +1442,7 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st } } if (state->inode == dentry->d_inode) { + nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); nfs4_intent_set_file(nd, &path, state); return 1; } @@ -1885,6 +1889,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, goto out; } d_add(dentry, igrab(state->inode)); + nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); if (flags & O_EXCL) { struct nfs_fattr fattr; status = nfs4_do_setattr(state->inode, &fattr, sattr, state); diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 8f632bd..992931c 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -240,6 +240,11 @@ static inline int NFS_USE_READDIRPLUS(struct inode *inode) return test_bit(NFS_INO_ADVISE_RDPLUS, &NFS_FLAGS(inode)); } +static inline void nfs_set_verifier(struct dentry * dentry, unsigned long verf) +{ + dentry->d_time = verf; +} + /** * nfs_save_change_attribute - Returns the inode attribute change cookie * @dir - pointer to parent directory inode