From a49c3c7736a2e77931dabc5bc4a83fb4b2da013e Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Thu, 18 Oct 2007 18:03:27 -0400 Subject: 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 --- fs/nfs/inode.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) (limited to 'fs/nfs/inode.c') 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); } } -- cgit v1.2.3-70-g09d2