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Merge tag 'nfs-for-5.9-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

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Pull NFS client updates from Trond Myklebust:
 "Stable fixes:
   - pNFS: Don't return layout segments that are being used for I/O
   - pNFS: Don't move layout segments off the active list when being used for I/O

  Features:
   - NFS: Add support for user xattrs through the NFSv4.2 protocol
   - NFS: Allow applications to speed up readdir+statx() using AT_STATX_DONT_SYNC
   - NFSv4.0 allow nconnect for v4.0

  Bugfixes and cleanups:
   - nfs: ensure correct writeback errors are returned on close()
   - nfs: nfs_file_write() should check for writeback errors
   - nfs: Fix getxattr kernel panic and memory overflow
   - NFS: Fix the pNFS/flexfiles mirrored read failover code
   - SUNRPC: dont update timeout value on connection reset
   - freezer: Add unsafe versions of freezable_schedule_timeout_interruptible for NFS
   - sunrpc: destroy rpc_inode_cachep after unregister_filesystem"

* tag 'nfs-for-5.9-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (32 commits)
  NFS: Fix flexfiles read failover
  fs: nfs: delete repeated words in comments
  rpc_pipefs: convert comma to semicolon
  nfs: Fix getxattr kernel panic and memory overflow
  NFS: Don't return layout segments that are in use
  NFS: Don't move layouts to plh_return_segs list while in use
  NFS: Add layout segment info to pnfs read/write/commit tracepoints
  NFS: Add tracepoints for layouterror and layoutstats.
  NFS: Report the stateid + status in trace_nfs4_layoutreturn_on_close()
  SUNRPC dont update timeout value on connection reset
  nfs: nfs_file_write() should check for writeback errors
  nfs: ensure correct writeback errors are returned on close()
  NFSv4.2: xattr cache: get rid of cache discard work queue
  NFS: remove redundant initialization of variable result
  NFSv4.0 allow nconnect for v4.0
  freezer: Add unsafe versions of freezable_schedule_timeout_interruptible for NFS
  sunrpc: destroy rpc_inode_cachep after unregister_filesystem
  NFSv4.2: add client side xattr caching.
  NFSv4.2: hook in the user extended attribute handlers
  NFSv4.2: add the extended attribute proc functions.
  ...
This commit is contained in:
Linus Torvalds
2020-08-15 08:26:55 -07:00
parent 6ffdcde4ee 563c53e73b
commit 37711e5e23
31 changed files with 2368 additions and 123 deletions
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2
net/sunrpc/rpc_pipe.c
View File

@@ -1510,6 +1510,6 @@ err_notifier:
void unregister_rpc_pipefs(void)
{
rpc_clients_notifier_unregister();
kmem_cache_destroy(rpc_inode_cachep);
unregister_filesystem(&rpc_pipe_fs_type);
kmem_cache_destroy(rpc_inode_cachep);
}

9
net/sunrpc/xprt.c
View File

@@ -607,6 +607,11 @@ static void xprt_reset_majortimeo(struct rpc_rqst *req)
req->rq_majortimeo += xprt_calc_majortimeo(req);
}
static void xprt_reset_minortimeo(struct rpc_rqst *req)
{
req->rq_minortimeo += req->rq_timeout;
}
static void xprt_init_majortimeo(struct rpc_task *task, struct rpc_rqst *req)
{
unsigned long time_init;
@@ -618,6 +623,7 @@ static void xprt_init_majortimeo(struct rpc_task *task, struct rpc_rqst *req)
time_init = xprt_abs_ktime_to_jiffies(task->tk_start);
req->rq_timeout = task->tk_client->cl_timeout->to_initval;
req->rq_majortimeo = time_init + xprt_calc_majortimeo(req);
req->rq_minortimeo = time_init + req->rq_timeout;
}
/**
@@ -631,6 +637,8 @@ int xprt_adjust_timeout(struct rpc_rqst *req)
const struct rpc_timeout *to = req->rq_task->tk_client->cl_timeout;
int status = 0;
if (time_before(jiffies, req->rq_minortimeo))
return status;
if (time_before(jiffies, req->rq_majortimeo)) {
if (to->to_exponential)
req->rq_timeout <<= 1;
@@ -649,6 +657,7 @@ int xprt_adjust_timeout(struct rpc_rqst *req)
spin_unlock(&xprt->transport_lock);
status = -ETIMEDOUT;
}
xprt_reset_minortimeo(req);
if (req->rq_timeout == 0) {
printk(KERN_WARNING "xprt_adjust_timeout: rq_timeout = 0!\n");