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NFS: Set NFS_INO_REVAL_PAGECACHE if the change attribute is uninitialised

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We can't allow caching of data until the change attribute has been
initialised correctly.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2015-07-05 16:07:04 -04:00
parent 85a23cee3f
commit 5c675d6420
1 changed files with 2 additions and 1 deletions
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3
fs/nfs/inode.c
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@ -443,7 +443,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st
if (fattr->valid & NFS_ATTR_FATTR_CHANGE) if (fattr->valid & NFS_ATTR_FATTR_CHANGE)
inode->i_version = fattr->change_attr; inode->i_version = fattr->change_attr;
else if (nfs_server_capable(inode, NFS_CAP_CHANGE_ATTR)) else if (nfs_server_capable(inode, NFS_CAP_CHANGE_ATTR))
nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR); nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR
| NFS_INO_REVAL_PAGECACHE);
if (fattr->valid & NFS_ATTR_FATTR_SIZE) if (fattr->valid & NFS_ATTR_FATTR_SIZE)
inode->i_size = nfs_size_to_loff_t(fattr->size); inode->i_size = nfs_size_to_loff_t(fattr->size);
else else