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linux-davinci-2.6.23
Commit fb374d24 authored by Trond Myklebust's avatar Trond Myklebust
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NFS: reduce the number of false cache invalidations. 

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent c8d149f3
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fs/nfs/inode.c
View file @ fb374d24
......@@ -1328,11 +1328,8 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
cur_size = i_size_read(inode);
new_isize = nfs_size_to_loff_t(fattr->size);
if (cur_size != new_isize) {
nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
if (nfsi->npages == 0)
nfsi->cache_validity |= NFS_INO_REVAL_PAGECACHE;
}
if (cur_size != new_isize && nfsi->npages == 0)
nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
/* Have any file permissions changed? */
if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)
......
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