diff options
Diffstat (limited to 'fs/nfs/dir.c')
| -rw-r--r-- | fs/nfs/dir.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 8ec7fbd8240..35334539d94 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -562,6 +562,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir) nfs_fattr_init(&fattr); desc->entry = &my_entry; + nfs_block_sillyrename(dentry); while(!desc->entry->eof) { res = readdir_search_pagecache(desc); @@ -592,6 +593,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir) break; } } + nfs_unblock_sillyrename(dentry); unlock_kernel(); if (res > 0) res = 0; @@ -866,6 +868,7 @@ struct dentry_operations nfs_dentry_operations = { static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *nd) { struct dentry *res; + struct dentry *parent; struct inode *inode = NULL; int error; struct nfs_fh fhandle; @@ -894,26 +897,31 @@ static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, stru goto out_unlock; } + parent = dentry->d_parent; + /* Protect against concurrent sillydeletes */ + nfs_block_sillyrename(parent); error = NFS_PROTO(dir)->lookup(dir, &dentry->d_name, &fhandle, &fattr); if (error == -ENOENT) goto no_entry; if (error < 0) { res = ERR_PTR(error); - goto out_unlock; + goto out_unblock_sillyrename; } inode = nfs_fhget(dentry->d_sb, &fhandle, &fattr); res = (struct dentry *)inode; if (IS_ERR(res)) - goto out_unlock; + goto out_unblock_sillyrename; no_entry: res = d_materialise_unique(dentry, inode); if (res != NULL) { if (IS_ERR(res)) - goto out_unlock; + goto out_unblock_sillyrename; dentry = res; } nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); +out_unblock_sillyrename: + nfs_unblock_sillyrename(parent); out_unlock: unlock_kernel(); out: |