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Diffstat (limited to 'fs/nfs/inode.c')
-rw-r--r--fs/nfs/inode.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 52daefa2f521..f189169348b1 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -948,6 +948,15 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
948 return 0; 948 return 0;
949} 949}
950 950
951static int nfs_refresh_inode_locked(struct inode *inode, struct nfs_fattr *fattr)
952{
953 struct nfs_inode *nfsi = NFS_I(inode);
954
955 if (time_after(fattr->time_start, nfsi->last_updated))
956 return nfs_update_inode(inode, fattr);
957 return nfs_check_inode_attributes(inode, fattr);
958}
959
951/** 960/**
952 * nfs_refresh_inode - try to update the inode attribute cache 961 * nfs_refresh_inode - try to update the inode attribute cache
953 * @inode - pointer to inode 962 * @inode - pointer to inode
@@ -960,17 +969,12 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
960 */ 969 */
961int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr) 970int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr)
962{ 971{
963 struct nfs_inode *nfsi = NFS_I(inode);
964 int status; 972 int status;
965 973
966 if ((fattr->valid & NFS_ATTR_FATTR) == 0) 974 if ((fattr->valid & NFS_ATTR_FATTR) == 0)
967 return 0; 975 return 0;
968 spin_lock(&inode->i_lock); 976 spin_lock(&inode->i_lock);
969 if (time_after(fattr->time_start, nfsi->last_updated)) 977 status = nfs_refresh_inode_locked(inode, fattr);
970 status = nfs_update_inode(inode, fattr);
971 else
972 status = nfs_check_inode_attributes(inode, fattr);
973
974 spin_unlock(&inode->i_lock); 978 spin_unlock(&inode->i_lock);
975 return status; 979 return status;
976} 980}
@@ -992,13 +996,16 @@ int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr)
992int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr) 996int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr)
993{ 997{
994 struct nfs_inode *nfsi = NFS_I(inode); 998 struct nfs_inode *nfsi = NFS_I(inode);
999 int status = 0;
995 1000
996 spin_lock(&inode->i_lock); 1001 spin_lock(&inode->i_lock);
997 nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; 1002 nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
998 if (S_ISDIR(inode->i_mode)) 1003 if (S_ISDIR(inode->i_mode))
999 nfsi->cache_validity |= NFS_INO_INVALID_DATA; 1004 nfsi->cache_validity |= NFS_INO_INVALID_DATA;
1005 if ((fattr->valid & NFS_ATTR_FATTR) != 0)
1006 status = nfs_refresh_inode_locked(inode, fattr);
1000 spin_unlock(&inode->i_lock); 1007 spin_unlock(&inode->i_lock);
1001 return nfs_refresh_inode(inode, fattr); 1008 return status;
1002} 1009}
1003 1010
1004/** 1011/**