#include <linux/xattr.h>
#include <linux/workqueue.h>
#include <linux/blkdev.h>
+#include <linux/slab.h>
#include <libcfs/linux/linux-fs.h>
#include <lustre_patchless_compat.h>
#define MODULE_ALIAS_FS(name)
#endif
-#define LTIME_S(time) (time.tv_sec)
-
#ifdef HAVE_GENERIC_PERMISSION_2ARGS
# define ll_generic_permission(inode, mask, flags, check_acl) \
generic_permission(inode, mask)
# define inode_dio_write_done(i) up_write(&(i)->i_alloc_sem)
#endif
-#ifndef FS_HAS_FIEMAP
-#define FS_HAS_FIEMAP (0)
-#endif
-
#ifndef HAVE_SIMPLE_SETATTR
#define simple_setattr(dentry, ops) inode_setattr((dentry)->d_inode, ops)
#endif
-#ifndef SLAB_DESTROY_BY_RCU
-#define SLAB_DESTROY_BY_RCU 0
+#ifndef HAVE_INIT_LIST_HEAD_RCU
+static inline void INIT_LIST_HEAD_RCU(struct list_head *list)
+{
+ WRITE_ONCE(list->next, list);
+ WRITE_ONCE(list->prev, list);
+}
#endif
#ifndef HAVE_DQUOT_SUSPEND
#define DECLARE_LL_D_HLIST_NODE_PTR(name) /* nothing */
#endif /* !DATA_FOR_LLITE_IS_LIST */
+#ifndef HAVE_D_IN_LOOKUP
+static inline int d_in_lookup(struct dentry *dentry)
+{
+ return false;
+}
+#endif
+
#ifndef QUOTA_OK
# define QUOTA_OK 0
#endif
# define ll_umode_t int
#endif
+#ifndef HAVE_VM_FAULT_T
+#define vm_fault_t int
+#endif
+
#include <linux/dcache.h>
#ifndef HAVE_D_MAKE_ROOT
static inline struct dentry *d_make_root(struct inode *root)
#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)
static inline void truncate_inode_pages_final(struct address_space *map)
{
truncate_inode_pages(map, 0);
- /* Workaround for LU-118 */
- if (map->nrpages) {
- spin_lock_irq(&map->tree_lock);
- spin_unlock_irq(&map->tree_lock);
- } /* Workaround end */
}
#endif
#define IS_NOSEC(inode) (!is_sxid(inode->i_mode))
#endif
-#ifndef MS_NOSEC
-static inline void inode_has_no_xattr(struct inode *inode)
-{
- return;
-}
+/*
+ * mount MS_* flags split from superblock SB_* flags
+ * if the SB_* flags are not available use the MS_* flags
+ */
+#if !defined(SB_RDONLY) && defined(MS_RDONLY)
+# define SB_RDONLY MS_RDONLY
+#endif
+#if !defined(SB_ACTIVE) && defined(MS_ACTIVE)
+# define SB_ACTIVE MS_ACTIVE
+#endif
+#if !defined(SB_NOSEC) && defined(MS_NOSEC)
+# define SB_NOSEC MS_NOSEC
+#endif
+#if !defined(SB_POSIXACL) && defined(MS_POSIXACL)
+# define SB_POSIXACL MS_POSIXACL
+#endif
+#if !defined(SB_NODIRATIME) && defined(MS_NODIRATIME)
+# define SB_NODIRATIME MS_NODIRATIME
#endif
#ifndef HAVE_FILE_OPERATIONS_READ_WRITE_ITER
#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
-#ifdef HAVE_BLK_INTEGRITY_ENABLED
+#if IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY)
static inline unsigned short blk_integrity_interval(struct blk_integrity *bi)
{
#ifdef HAVE_INTERVAL_EXP_BLK_INTEGRITY
return bi->interval;
#else
return bi->sector_size;
-#endif
+#endif /* !HAVE_INTERVAL_EXP_BLK_INTEGRITY */
}
static inline const char *blk_integrity_name(struct blk_integrity *bi)
return bi->name;
#endif
}
+
+static inline unsigned int bip_size(struct bio_integrity_payload *bip)
+{
+#ifdef HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
+ return bip->bip_iter.bi_size;
#else
+ return bip->bip_size;
+#endif
+}
+#else /* !CONFIG_BLK_DEV_INTEGRITY */
static inline unsigned short blk_integrity_interval(struct blk_integrity *bi)
{
return 0;
/* gcc8 dislikes when strcmp() is called against NULL */
return "";
}
-#endif
-
-static inline unsigned int bip_size(struct bio_integrity_payload *bip)
-{
-#ifdef HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
- return bip->bip_iter.bi_size;
-#else
- return bip->bip_size;
-#endif
-}
+#endif /* !CONFIG_BLK_DEV_INTEGRITY */
#ifndef INTEGRITY_FLAG_READ
#define INTEGRITY_FLAG_READ BLK_INTEGRITY_VERIFY
static inline bool bdev_integrity_enabled(struct block_device *bdev, int rw)
{
+#if IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY)
struct blk_integrity *bi = bdev_get_integrity(bdev);
if (bi == NULL)
if (rw == 1 && bi->generate_fn != NULL &&
(bi->flags & INTEGRITY_FLAG_WRITE))
return true;
-#endif
+#endif /* !HAVE_INTERVAL_EXP_BLK_INTEGRITY */
+#endif /* !CONFIG_BLK_DEV_INTEGRITY */
return false;
}
+#ifdef HAVE_PAGEVEC_INIT_ONE_PARAM
+#define ll_pagevec_init(pvec, n) pagevec_init(pvec)
+#else
+#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
+
+#ifndef KMEM_CACHE_USERCOPY
+#define kmem_cache_create_usercopy(name, size, align, flags, useroffset, \
+ usersize, ctor) \
+ kmem_cache_create(name, size, align, flags, ctor)
+#endif
+
#endif /* _LUSTRE_COMPAT_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff