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NFS client updates for Linux 3.15

Browse source 
Highlights include:
 
 - Stable fix for a use after free issue in the NFSv4.1 open code
 - Fix the SUNRPC bi-directional RPC code to account for TCP segmentation
 - Optimise usage of readdirplus when confronted with 'ls -l' situations
 - Soft mount bugfixes
 - NFS over RDMA bugfixes
 - NFSv4 close locking fixes
 - Various NFSv4.x client state management optimisations
 - Rename/unlink code cleanups
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Merge tag 'nfs-for-3.15-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Highlights include:

   - Stable fix for a use after free issue in the NFSv4.1 open code
   - Fix the SUNRPC bi-directional RPC code to account for TCP segmentation
   - Optimise usage of readdirplus when confronted with 'ls -l' situations
   - Soft mount bugfixes
   - NFS over RDMA bugfixes
   - NFSv4 close locking fixes
   - Various NFSv4.x client state management optimisations
   - Rename/unlink code cleanups"

* tag 'nfs-for-3.15-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (28 commits)
  nfs: pass string length to pr_notice message about readdir loops
  NFSv4: Fix a use-after-free problem in open()
  SUNRPC: rpc_restart_call/rpc_restart_call_prepare should clear task->tk_status
  SUNRPC: Don't let rpc_delay() clobber non-timeout errors
  SUNRPC: Ensure call_connect_status() deals correctly with SOFTCONN tasks
  SUNRPC: Ensure call_status() deals correctly with SOFTCONN tasks
  NFSv4: Ensure we respect soft mount timeouts during trunking discovery
  NFSv4: Schedule recovery if nfs40_walk_client_list() is interrupted
  NFS: advertise only supported callback netids
  SUNRPC: remove KERN_INFO from dprintk() call sites
  SUNRPC: Fix large reads on NFS/RDMA
  NFS: Clean up: revert increase in READDIR RPC buffer max size
  SUNRPC: Ensure that call_bind times out correctly
  SUNRPC: Ensure that call_connect times out correctly
  nfs: emit a fsnotify_nameremove call in sillyrename codepath
  nfs: remove synchronous rename code
  nfs: convert nfs_rename to use async_rename infrastructure
  nfs: make nfs_async_rename non-static
  nfs: abstract out code needed to complete a sillyrename
  NFSv4: Clear the open state flags if the new stateid does not match
  ...
This commit is contained in:
Linus Torvalds 2014-04-06 10:09:38 -07:00
commit 2b3a8fd735
22 changed files with 368 additions and 261 deletions
Download patch file Download diff file Expand all files Collapse all files

36
fs/nfs/nfs3proc.c
View file

@ -478,41 +478,6 @@ nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir,
return 1;
}
static int
nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
struct inode *new_dir, struct qstr *new_name)
{
struct nfs_renameargs arg = {
.old_dir = NFS_FH(old_dir),
.old_name = old_name,
.new_dir = NFS_FH(new_dir),
.new_name = new_name,
};
struct nfs_renameres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
.rpc_argp = &arg,
.rpc_resp = &res,
};
int status = -ENOMEM;
dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
res.old_fattr = nfs_alloc_fattr();
res.new_fattr = nfs_alloc_fattr();
if (res.old_fattr == NULL || res.new_fattr == NULL)
goto out;
status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0);
nfs_post_op_update_inode(old_dir, res.old_fattr);
nfs_post_op_update_inode(new_dir, res.new_fattr);
out:
nfs_free_fattr(res.old_fattr);
nfs_free_fattr(res.new_fattr);
dprintk("NFS reply rename: %d\n", status);
return status;
}
static int
nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
{
@ -968,7 +933,6 @@ const struct nfs_rpc_ops nfs_v3_clientops = {
.unlink_setup = nfs3_proc_unlink_setup,
.unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare,
.unlink_done = nfs3_proc_unlink_done,
.rename = nfs3_proc_rename,
.rename_setup = nfs3_proc_rename_setup,
.rename_rpc_prepare = nfs3_proc_rename_rpc_prepare,
.rename_done = nfs3_proc_rename_done,