diff options
Diffstat (limited to 'fs/nfs/dir.c')
| -rw-r--r-- | fs/nfs/dir.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index bc957487f6ec..d0e0b435a843 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -666,6 +666,8 @@ static bool nfs_use_readdirplus(struct inode *dir, struct dir_context *ctx, { if (!nfs_server_capable(dir, NFS_CAP_READDIRPLUS)) return false; + if (NFS_SERVER(dir)->flags & NFS_MOUNT_FORCE_RDIRPLUS) + return true; if (ctx->pos == 0 || cache_hits + cache_misses > NFS_READDIR_CACHE_USAGE_THRESHOLD) return true; @@ -2674,6 +2676,18 @@ nfs_unblock_rename(struct rpc_task *task, struct nfs_renamedata *data) unblock_revalidate(new_dentry); } +static bool nfs_rename_is_unsafe_cross_dir(struct dentry *old_dentry, + struct dentry *new_dentry) +{ + struct nfs_server *server = NFS_SB(old_dentry->d_sb); + + if (old_dentry->d_parent != new_dentry->d_parent) + return false; + if (server->fh_expire_type & NFS_FH_RENAME_UNSAFE) + return !(server->fh_expire_type & NFS_FH_NOEXPIRE_WITH_OPEN); + return true; +} + /* * RENAME * FIXME: Some nfsds, like the Linux user space nfsd, may generate a @@ -2761,7 +2775,8 @@ int nfs_rename(struct mnt_idmap *idmap, struct inode *old_dir, } - if (S_ISREG(old_inode->i_mode)) + if (S_ISREG(old_inode->i_mode) && + nfs_rename_is_unsafe_cross_dir(old_dentry, new_dentry)) nfs_sync_inode(old_inode); task = nfs_async_rename(old_dir, new_dir, old_dentry, new_dentry, must_unblock ? nfs_unblock_rename : NULL); |