#include <linux/fs_struct.h>
#include <linux/namei.h>
#include <linux/pagemap.h>
+#include <linux/posix_acl_xattr.h>
#include <linux/bio.h>
#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>
#include <obd_support.h>
-#ifdef HAVE_FS_STRUCT_RWLOCK
-# define LOCK_FS_STRUCT(fs) write_lock(&(fs)->lock)
-# define UNLOCK_FS_STRUCT(fs) write_unlock(&(fs)->lock)
-#else
-# define LOCK_FS_STRUCT(fs) spin_lock(&(fs)->lock)
-# define UNLOCK_FS_STRUCT(fs) spin_unlock(&(fs)->lock)
-#endif
-
-#ifdef HAVE_FS_STRUCT_SEQCOUNT
-# define WRITE_FS_SEQ_BEGIN(fs) write_seqcount_begin(&(fs)->seq)
-# define WRITE_FS_SEQ_END(fs) write_seqcount_end(&(fs)->seq)
-#else
-# define WRITE_FS_SEQ_BEGIN(fs)
-# define WRITE_FS_SEQ_END(fs)
-#endif
-static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
- struct dentry *dentry)
-{
- struct path path;
- struct path old_pwd;
-
- path.mnt = mnt;
- path.dentry = dentry;
- path_get(&path);
- LOCK_FS_STRUCT(fs);
- WRITE_FS_SEQ_BEGIN(fs);
- old_pwd = fs->pwd;
- fs->pwd = path;
- WRITE_FS_SEQ_END(fs);
- UNLOCK_FS_STRUCT(fs);
-
- if (old_pwd.dentry)
- path_put(&old_pwd);
-}
-
#define current_ngroups current_cred()->group_info->ngroups
#define current_groups current_cred()->group_info->small_block
-/*
- * OBD need working random driver, thus all our
- * initialization routines must be called after device
- * driver initialization
- */
-#ifndef MODULE
-#undef module_init
-#define module_init(a) late_initcall(a)
-#endif
-
-#ifndef MODULE_ALIAS_FS
-#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)
-#elif defined HAVE_GENERIC_PERMISSION_4ARGS
-# define ll_generic_permission(inode, mask, flags, check_acl) \
- generic_permission(inode, mask, flags, check_acl)
-#else
-# define ll_generic_permission(inode, mask, flags, check_acl) \
- generic_permission(inode, mask, check_acl)
-#endif
-
#ifdef HAVE_4ARGS_VFS_SYMLINK
#define ll_vfs_symlink(dir, dentry, mnt, path, mode) \
vfs_symlink(dir, dentry, path, mode)
# 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
-#endif
-
#ifndef HAVE_INIT_LIST_HEAD_RCU
static inline void INIT_LIST_HEAD_RCU(struct list_head *list)
{
}
#endif
-#ifndef HAVE_DQUOT_SUSPEND
-# define ll_vfs_dq_init vfs_dq_init
-# define ll_vfs_dq_drop vfs_dq_drop
-# define ll_vfs_dq_transfer vfs_dq_transfer
-# define ll_vfs_dq_off(sb, remount) vfs_dq_off(sb, remount)
-#else
-# define ll_vfs_dq_init dquot_initialize
-# define ll_vfs_dq_drop dquot_drop
-# define ll_vfs_dq_transfer dquot_transfer
-# define ll_vfs_dq_off(sb, remount) dquot_suspend(sb, -1)
-#endif
-
-#ifndef HAVE_BLKDEV_GET_BY_DEV
-# define blkdev_get_by_dev(dev, mode, holder) open_by_devnum(dev, mode)
-#endif
-
#ifdef HAVE_BVEC_ITER
#define bio_idx(bio) (bio->bi_iter.bi_idx)
#define bio_set_sector(bio, sector) (bio->bi_iter.bi_sector = sector)
#define bio_start_sector(bio) (bio->bi_sector)
#endif
-#ifndef HAVE_BLK_QUEUE_MAX_SEGMENTS
-#define blk_queue_max_segments(rq, seg) \
- do { blk_queue_max_phys_segments(rq, seg); \
- blk_queue_max_hw_segments(rq, seg); } while (0)
-#else
-#define queue_max_phys_segments(rq) queue_max_segments(rq)
-#define queue_max_hw_segments(rq) queue_max_segments(rq)
-#endif
-
-#ifdef HAVE_BLK_PLUG
-#define DECLARE_PLUG(plug) struct blk_plug plug
-#else /* !HAVE_BLK_PLUG */
-#define DECLARE_PLUG(name)
-#define blk_start_plug(plug) do {} while (0)
-#define blk_finish_plug(plug) do {} while (0)
-#endif
-
#ifdef HAVE_KMAP_ATOMIC_HAS_1ARG
#define ll_kmap_atomic(a, b) kmap_atomic(a)
#define ll_kunmap_atomic(a, b) kunmap_atomic(a)
#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)
}
#endif
+#ifndef HAVE_FOP_ITERATE_SHARED
+#define iterate_shared iterate
+#endif
+
#ifdef HAVE_DIRTY_INODE_HAS_FLAG
# define ll_dirty_inode(inode, flag) (inode)->i_sb->s_op->dirty_inode((inode), flag)
#else
#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)
#endif
#ifdef HAVE_IOP_XATTR
-#ifdef HAVE_XATTR_HANDLER_FLAGS
#define ll_setxattr generic_setxattr
#define ll_getxattr generic_getxattr
#define ll_removexattr generic_removexattr
-#else
-int ll_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags);
-ssize_t ll_getxattr(struct dentry *dentry, const char *name,
- void *buf, size_t buf_size);
-int ll_removexattr(struct dentry *dentry, const char *name);
-#endif /* ! HAVE_XATTR_HANDLER_FLAGS */
#endif /* HAVE_IOP_XATTR */
#ifndef HAVE_VFS_SETXATTR
__vfs_setxattr(struct dentry *dentry, struct inode *inode, const char *name,
const void *value, size_t size, int flags)
{
-# ifdef HAVE_XATTR_HANDLER_FLAGS
const struct xattr_handler *handler;
int rc;
rc = handler->set(dentry, name, value, size, flags, handler->flags);
# endif /* !HAVE_XATTR_HANDLER_INODE_PARAM */
return rc;
-# else /* !HAVE_XATTR_HANDLER_FLAGS */
- return ll_setxattr(dentry, name, value, size, flags);
-# endif /* HAVE_XATTR_HANDLER_FLAGS */
}
#endif /* HAVE_VFS_SETXATTR */
+#ifndef HAVE_POSIXACL_USER_NS
+/*
+ * Mask out &init_user_ns so we don't jump
+ * through hoops to define it somehow only
+ * to have it ignored anyway.
+ */
+#define posix_acl_from_xattr(a, b, c) posix_acl_from_xattr(b, c)
+#define posix_acl_to_xattr(a, b, c, d) posix_acl_to_xattr(b, c, d)
+#endif
+
+#ifndef HAVE_POSIX_ACL_VALID_USER_NS
+#define posix_acl_valid(a,b) posix_acl_valid(b)
+#endif
+
#ifdef HAVE_IOP_SET_ACL
-#ifdef CONFIG_FS_POSIX_ACL
+#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
#ifndef HAVE_POSIX_ACL_UPDATE_MODE
static inline int posix_acl_update_mode(struct inode *inode, umode_t *mode_p,
struct posix_acl **acl)
#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;
}
#define ll_pagevec_init(pvec, n) pagevec_init(pvec, n)
#endif
+#ifdef HAVE_D_COUNT
+# define ll_d_count(d) d_count(d)
+#else
+# define ll_d_count(d) ((d)->d_count)
+#endif /* HAVE_D_COUNT */
+
+#ifndef HAVE_IN_COMPAT_SYSCALL
+#define in_compat_syscall is_compat_task
+#endif
+
+#ifdef HAVE_I_PAGES
+#define page_tree i_pages
+#else
+#define i_pages tree_lock
+#endif
+
+#ifndef xa_lock_irqsave
+#define xa_lock_irqsave(lockp, flags) spin_lock_irqsave(lockp, flags)
+#define xa_unlock_irqrestore(lockp, flags) spin_unlock_irqrestore(lockp, flags)
+#endif
+
+#ifndef HAVE_LOCK_PAGE_MEMCG
+#define lock_page_memcg(page) do {} while (0)
+#define unlock_page_memcg(page) do {} while (0)
+#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
+
+#ifndef HAVE_LINUX_SELINUX_IS_ENABLED
+#define selinux_is_enabled() 1
+#endif
+
#endif /* _LUSTRE_COMPAT_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff