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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-12-05 00:08:40 +0100 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-12-05 00:08:40 +0100 |
| commit | 9310b224f2ecc8bb075b86d753a2f359e3e1ac85 (patch) | |
| tree | 9f7ab346783d43d70a6a148f3b46499ac20de054 /fs/nfs | |
| parent | NFS: Fix incorrect mapping revalidation when holding a delegation (diff) | |
| download | linux-9310b224f2ecc8bb075b86d753a2f359e3e1ac85.tar.xz linux-9310b224f2ecc8bb075b86d753a2f359e3e1ac85.zip | |
NFS: Fix incorrect size revalidation when holding a delegation
We should only care about checking the attributes if the page cache
is marked as dubious (using NFS_INO_REVAL_PAGECACHE) and the
NFS_INO_REVAL_FORCED flag is set.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/file.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 9ea85ae23c32..64c11f399b3d 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -102,8 +102,11 @@ static int nfs_revalidate_file_size(struct inode *inode, struct file *filp) { struct nfs_server *server = NFS_SERVER(inode); struct nfs_inode *nfsi = NFS_I(inode); + const unsigned long force_reval = NFS_INO_REVAL_PAGECACHE|NFS_INO_REVAL_FORCED; + unsigned long cache_validity = nfsi->cache_validity; - if (nfs_have_delegated_attributes(inode)) + if (NFS_PROTO(inode)->have_delegation(inode, FMODE_READ) && + (cache_validity & force_reval) != force_reval) goto out_noreval; if (filp->f_flags & O_DIRECT) |