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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-10-18 18:03:27 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-10-19 17:19:25 -0400
commita49c3c7736a2e77931dabc5bc4a83fb4b2da013e (patch)
tree1921900be210540ee53a4011c9e8f781deb0367e /fs/nfs/inode.c
parent565277f63c616e11c37309a1e98c052d18ebbb55 (diff)
NFSv4: Ensure that we wait for the CLOSE request to complete
Otherwise, we do end up breaking close-to-open semantics. We also end up breaking some of the silly-rename tests in Connectathon on some setups. Please refer to the bug-report at http://bugzilla.linux-nfs.org/show_bug.cgi?id=150 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/inode.c')
-rw-r--r--fs/nfs/inode.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 173e294dffc..db5d96dc610 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -514,7 +514,7 @@ struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx)
return ctx;
}
-void put_nfs_open_context(struct nfs_open_context *ctx)
+static void __put_nfs_open_context(struct nfs_open_context *ctx, int wait)
{
struct inode *inode = ctx->path.dentry->d_inode;
@@ -522,8 +522,12 @@ void put_nfs_open_context(struct nfs_open_context *ctx)
return;
list_del(&ctx->list);
spin_unlock(&inode->i_lock);
- if (ctx->state != NULL)
- nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
+ if (ctx->state != NULL) {
+ if (wait)
+ nfs4_close_sync(&ctx->path, ctx->state, ctx->mode);
+ else
+ nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
+ }
if (ctx->cred != NULL)
put_rpccred(ctx->cred);
dput(ctx->path.dentry);
@@ -531,6 +535,16 @@ void put_nfs_open_context(struct nfs_open_context *ctx)
kfree(ctx);
}
+void put_nfs_open_context(struct nfs_open_context *ctx)
+{
+ __put_nfs_open_context(ctx, 0);
+}
+
+static void put_nfs_open_context_sync(struct nfs_open_context *ctx)
+{
+ __put_nfs_open_context(ctx, 1);
+}
+
/*
* Ensure that mmap has a recent RPC credential for use when writing out
* shared pages
@@ -577,7 +591,7 @@ static void nfs_file_clear_open_context(struct file *filp)
spin_lock(&inode->i_lock);
list_move_tail(&ctx->list, &NFS_I(inode)->open_files);
spin_unlock(&inode->i_lock);
- put_nfs_open_context(ctx);
+ put_nfs_open_context_sync(ctx);
}
}