From d45b9d8baf41acb177abbbe6746b1dea094b8a28 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Mon, 28 Jan 2008 19:43:18 -0500 Subject: [PATCH] NFS: Handle -ENOENT errors in unlink()/rmdir()/rename() If the server returns an ENOENT error, we still need to do a d_delete() in order to ensure that the dentry is deleted. Signed-off-by: Trond Myklebust --- fs/nfs/dir.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index d9abdb1..06f26d4 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1267,6 +1267,12 @@ out_err: return error; } +static void nfs_dentry_handle_enoent(struct dentry *dentry) +{ + if (dentry->d_inode != NULL && !d_unhashed(dentry)) + d_delete(dentry); +} + static int nfs_rmdir(struct inode *dir, struct dentry *dentry) { int error; @@ -1279,6 +1285,8 @@ static int nfs_rmdir(struct inode *dir, struct dentry *dentry) /* Ensure the VFS deletes this inode */ if (error == 0 && dentry->d_inode != NULL) clear_nlink(dentry->d_inode); + else if (error == -ENOENT) + nfs_dentry_handle_enoent(dentry); unlock_kernel(); return error; @@ -1385,6 +1393,8 @@ static int nfs_safe_remove(struct dentry *dentry) nfs_mark_for_revalidate(inode); } else error = NFS_PROTO(dir)->remove(dir, &dentry->d_name); + if (error == -ENOENT) + nfs_dentry_handle_enoent(dentry); out: return error; } @@ -1421,7 +1431,7 @@ static int nfs_unlink(struct inode *dir, struct dentry *dentry) spin_unlock(&dentry->d_lock); spin_unlock(&dcache_lock); error = nfs_safe_remove(dentry); - if (!error) { + if (!error || error == -ENOENT) { nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); } else if (need_rehash) d_rehash(dentry); @@ -1634,7 +1644,8 @@ out: d_move(old_dentry, new_dentry); nfs_set_verifier(new_dentry, nfs_save_change_attribute(new_dir)); - } + } else if (error == -ENOENT) + nfs_dentry_handle_enoent(old_dentry); /* new dentry created? */ if (dentry) -- 2.7.4