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Diffstat (limited to 'include/linux/nfs_fs.h')
-rw-r--r--include/linux/nfs_fs.h19
1 files changed, 8 insertions, 11 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 229a1755842a..deef9567788a 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -112,8 +112,8 @@ struct nfs_inode {
/*
* Various flags
*/
- unsigned int flags;
- unsigned long cache_validity;
+ unsigned long flags; /* atomic bit ops */
+ unsigned long cache_validity; /* bit mask */
/*
* read_cache_jiffies is when we started read-caching this inode,
@@ -175,8 +175,6 @@ struct nfs_inode {
/* Open contexts for shared mmap writes */
struct list_head open_files;
- wait_queue_head_t nfs_i_wait;
-
#ifdef CONFIG_NFS_V4
struct nfs4_cached_acl *nfs4_acl;
/* NFSv4 state */
@@ -199,11 +197,11 @@ struct nfs_inode {
#define NFS_INO_REVAL_PAGECACHE 0x0020 /* must revalidate pagecache */
/*
- * Legal values of flags field
+ * Bit offsets in flags field
*/
-#define NFS_INO_REVALIDATING 0x0001 /* revalidating attrs */
-#define NFS_INO_ADVISE_RDPLUS 0x0002 /* advise readdirplus */
-#define NFS_INO_STALE 0x0004 /* possible stale inode */
+#define NFS_INO_REVALIDATING (0) /* revalidating attrs */
+#define NFS_INO_ADVISE_RDPLUS (1) /* advise readdirplus */
+#define NFS_INO_STALE (2) /* possible stale inode */
static inline struct nfs_inode *NFS_I(struct inode *inode)
{
@@ -229,8 +227,7 @@ static inline struct nfs_inode *NFS_I(struct inode *inode)
#define NFS_ATTRTIMEO_UPDATE(inode) (NFS_I(inode)->attrtimeo_timestamp)
#define NFS_FLAGS(inode) (NFS_I(inode)->flags)
-#define NFS_REVALIDATING(inode) (NFS_FLAGS(inode) & NFS_INO_REVALIDATING)
-#define NFS_STALE(inode) (NFS_FLAGS(inode) & NFS_INO_STALE)
+#define NFS_STALE(inode) (test_bit(NFS_INO_STALE, &NFS_FLAGS(inode)))
#define NFS_FILEID(inode) (NFS_I(inode)->fileid)
@@ -252,7 +249,7 @@ static inline int nfs_server_capable(struct inode *inode, int cap)
static inline int NFS_USE_READDIRPLUS(struct inode *inode)
{
- return NFS_FLAGS(inode) & NFS_INO_ADVISE_RDPLUS;
+ return test_bit(NFS_INO_ADVISE_RDPLUS, &NFS_FLAGS(inode));
}
/**