diff options
| -rw-r--r-- | fs/nfs/dir.c | 2 | ||||
| -rw-r--r-- | fs/nfs/inode.c | 4 | ||||
| -rw-r--r-- | include/linux/jiffies.h | 4 |
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() */ |
