LU-10092 llite: Add persistent cache on client

[fs/lustre-release.git] / lustre / include / lustre_compat.h

diff --git a/lustre/include/lustre_compat.h b/lustre/include/lustre_compat.h
index f951411..284f4ee 100644 (file)
--- a/lustre/include/lustre_compat.h
+++ b/lustre/include/lustre_compat.h
@@ -378,6 +378,37 @@ static inline struct inode *file_inode(const struct file *file)
 #define ll_vfs_unlink(a, b) vfs_unlink(a, b)
 #endif
 
+#ifndef HAVE_INODE_OWNER_OR_CAPABLE
+#define inode_owner_or_capable(inode) is_owner_or_cap(inode)
+#endif
+
+static inline int ll_vfs_getattr(struct path *path, struct kstat *st)
+{
+       int rc;
+
+#ifdef HAVE_INODEOPS_ENHANCED_GETATTR
+       rc = vfs_getattr(path, st, STATX_BASIC_STATS, AT_STATX_SYNC_AS_STAT);
+#elif defined HAVE_VFS_GETATTR_2ARGS
+       rc = vfs_getattr(path, st);
+#else
+       rc = vfs_getattr(path->mnt, path->dentry, st);
+#endif
+       return rc;
+}
+
+#ifndef HAVE_D_IS_POSITIVE
+static inline bool d_is_positive(const struct dentry *dentry)
+{
+       return dentry->d_inode != NULL;
+}
+#endif
+
+#ifdef HAVE_VFS_CREATE_USE_NAMEIDATA
+# define LL_VFS_CREATE_FALSE NULL
+#else
+# define LL_VFS_CREATE_FALSE false
+#endif
+
 #ifndef HAVE_INODE_LOCK
 # define inode_lock(inode) mutex_lock(&(inode)->i_mutex)
 # define inode_unlock(inode) mutex_unlock(&(inode)->i_mutex)
@@ -698,6 +729,10 @@ static inline struct timespec current_time(struct inode *inode)
 #define alloc_workqueue(name, flags, max_active) create_workqueue(name)
 #endif
 
+#ifndef smp_store_mb
+#define smp_store_mb(var, value)       set_mb(var, value)
+#endif
+
 #ifndef READ_ONCE
 #define READ_ONCE ACCESS_ONCE
 #endif
@@ -787,4 +822,12 @@ static inline bool bdev_integrity_enabled(struct block_device *bdev, int rw)
 #define ll_pagevec_init(pvec, n) pagevec_init(pvec, n)
 #endif
 
+#ifdef HAVE_I_PAGES
+#define page_tree i_pages
+#else
+#define i_pages tree_lock
+#define xa_lock_irq(lockp) spin_lock_irq(lockp)
+#define xa_unlock_irq(lockp) spin_unlock_irq(lockp)
+#endif
+
 #endif /* _LUSTRE_COMPAT_H */