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-rw-r--r--fs/nfs/inode.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 326d9e10d833..31b0a52223a7 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -618,7 +618,10 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr,
nfs_inc_stats(inode, NFSIOS_SETATTRTRUNC);
nfs_vmtruncate(inode, attr->ia_size);
}
- nfs_update_inode(inode, fattr);
+ if (fattr->valid)
+ nfs_update_inode(inode, fattr);
+ else
+ NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATTR;
spin_unlock(&inode->i_lock);
}
EXPORT_SYMBOL_GPL(nfs_setattr_update_inode);
@@ -1824,7 +1827,11 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
if ((long)fattr->gencount - (long)nfsi->attr_gencount > 0)
nfsi->attr_gencount = fattr->gencount;
}
- invalid &= ~NFS_INO_INVALID_ATTR;
+
+ /* Don't declare attrcache up to date if there were no attrs! */
+ if (fattr->valid != 0)
+ invalid &= ~NFS_INO_INVALID_ATTR;
+
/* Don't invalidate the data if we were to blame */
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode)
|| S_ISLNK(inode->i_mode)))