summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--fs/nfs/dir.c2
-rw-r--r--fs/nfs/inode.c4
-rw-r--r--include/linux/jiffies.h4
3 files changed, 7 insertions, 3 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index dd02db4..6e0aa04 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1855,7 +1855,7 @@ int nfs_access_get_cached(struct inode *inode, struct rpc_cred *cred, struct nfs
cache = nfs_access_search_rbtree(inode, cred);
if (cache == NULL)
goto out;
- if (time_after(jiffies, cache->jiffies + NFS_ATTRTIMEO(inode)))
+ if (!time_in_range(jiffies, cache->jiffies, cache->jiffies + NFS_ATTRTIMEO(inode)))
goto out_stale;
res->jiffies = cache->jiffies;
res->cred = cache->cred;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 3ad938c..7c8ca17 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -656,7 +656,7 @@ int nfs_attribute_timeout(struct inode *inode)
if (nfs_have_delegation(inode, FMODE_READ))
return 0;
- return time_after(jiffies, nfsi->read_cache_jiffies+nfsi->attrtimeo);
+ return !time_in_range(jiffies, nfsi->read_cache_jiffies, nfsi->read_cache_jiffies + nfsi->attrtimeo);
}
/**
@@ -1055,7 +1055,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
nfs_inc_stats(inode, NFSIOS_ATTRINVALIDATE);
nfsi->attrtimeo = NFS_MINATTRTIMEO(inode);
nfsi->attrtimeo_timestamp = now;
- } else if (time_after(now, nfsi->attrtimeo_timestamp+nfsi->attrtimeo)) {
+ } else if (!time_in_range(now, nfsi->attrtimeo_timestamp, nfsi->attrtimeo_timestamp + nfsi->attrtimeo)) {
if ((nfsi->attrtimeo <<= 1) > NFS_MAXATTRTIMEO(inode))
nfsi->attrtimeo = NFS_MAXATTRTIMEO(inode);
nfsi->attrtimeo_timestamp = now;
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index c080f61..f1c87ad 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -115,6 +115,10 @@ static inline u64 get_jiffies_64(void)
((long)(a) - (long)(b) >= 0))
#define time_before_eq(a,b) time_after_eq(b,a)
+#define time_in_range(a,b,c) \
+ (time_after_eq(a,b) && \
+ time_before_eq(a,c))
+
/* Same as above, but does so with platform independent 64bit types.
* These must be used when utilizing jiffies_64 (i.e. return value of
* get_jiffies_64() */
OpenPOWER on IntegriCloud