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LU-5014 osd-ldiskfs: vfs_unlink api changed
[fs/lustre-release.git] / lustre / include / linux / lustre_compat25.h
index 4e29e69..42092db 100644 (file)
@@ -51,7 +51,6 @@
 # define UNLOCK_FS_STRUCT(fs)  spin_unlock(&(fs)->lock)
 #endif
 
-#ifdef HAVE_FS_STRUCT_USE_PATH
 static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
                                  struct dentry *dentry)
 {
@@ -70,28 +69,6 @@ static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
                 path_put(&old_pwd);
 }
 
-#else
-
-static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
-                struct dentry *dentry)
-{
-        struct dentry *old_pwd;
-        struct vfsmount *old_pwdmnt;
-
-        LOCK_FS_STRUCT(fs);
-        old_pwd = fs->pwd;
-        old_pwdmnt = fs->pwdmnt;
-        fs->pwdmnt = mntget(mnt);
-        fs->pwd = dget(dentry);
-        UNLOCK_FS_STRUCT(fs);
-
-        if (old_pwd) {
-                dput(old_pwd);
-                mntput(old_pwdmnt);
-        }
-}
-#endif
-
 /*
  * set ATTR_BLOCKS to a high value to avoid any risk of collision with other
  * ATTR_* attributes (see bug 13828)
@@ -124,35 +101,6 @@ static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
         generic_permission(inode, mask, check_acl)
 #endif
 
-#ifdef HAVE_BLKDEV_PUT_2ARGS
-#define ll_blkdev_put(a, b) blkdev_put(a, b)
-#else
-#define ll_blkdev_put(a, b) blkdev_put(a)
-#endif
-
-#ifdef HAVE_DENTRY_OPEN_USE_PATH
-#define ll_dentry_open(a,b,c)  dentry_open(a,b,c)
-#else
-/*
- * dentry_open handles its own reference counting since Linux v3.6
- * (commit 765927b2). Callers should free their own references.
- *
- * Prior versions expected the caller to increment the references.
- * The references are retained on success and freed on error.
- */
-static inline struct file *ll_dentry_open(struct path *path, int flags,
-                                         const struct cred *cred)
-{
-       mntget(path->mnt);
-       dget(path->dentry);
-       return dentry_open(path->dentry, path->mnt, flags, cred);
-}
-#endif
-
-#ifdef HAVE_SECURITY_PLUG
-#define ll_vfs_symlink(dir, dentry, mnt, path, mode) \
-                vfs_symlink(dir, dentry, mnt, path, mode)
-#else
 #ifdef HAVE_4ARGS_VFS_SYMLINK
 #define ll_vfs_symlink(dir, dentry, mnt, path, mode) \
                 vfs_symlink(dir, dentry, path, mode)
@@ -161,8 +109,6 @@ static inline struct file *ll_dentry_open(struct path *path, int flags,
                        vfs_symlink(dir, dentry, path)
 #endif
 
-#endif
-
 #if !defined(HAVE_FILE_LLSEEK_SIZE) || defined(HAVE_FILE_LLSEEK_SIZE_5ARGS)
 #define ll_generic_file_llseek_size(file, offset, origin, maxbytes, eof) \
                generic_file_llseek_size(file, offset, origin, maxbytes, eof);
@@ -183,73 +129,13 @@ static inline struct file *ll_dentry_open(struct path *path, int flags,
 # define inode_dio_done(i)             up_read(&(i)->i_alloc_sem)
 #endif
 
-#ifdef HAVE_RW_TREE_LOCK
-#define TREE_READ_LOCK_IRQ(mapping)    read_lock_irq(&(mapping)->tree_lock)
-#define TREE_READ_UNLOCK_IRQ(mapping)  read_unlock_irq(&(mapping)->tree_lock)
-#else
-#define TREE_READ_LOCK_IRQ(mapping)    spin_lock_irq(&(mapping)->tree_lock)
-#define TREE_READ_UNLOCK_IRQ(mapping)  spin_unlock_irq(&(mapping)->tree_lock)
-#endif
-
-#ifdef HAVE_UNREGISTER_BLKDEV_RETURN_INT
-#define ll_unregister_blkdev(a,b)       unregister_blkdev((a),(b))
-#else
-static inline
-int ll_unregister_blkdev(unsigned int dev, const char *name)
-{
-        unregister_blkdev(dev, name);
-        return 0;
-}
-#endif
-
-#ifdef HAVE_INVALIDATE_BDEV_2ARG
-#define ll_invalidate_bdev(a,b)         invalidate_bdev((a),(b))
-#else
-#define ll_invalidate_bdev(a,b)         invalidate_bdev((a))
-#endif
-
 #ifndef FS_HAS_FIEMAP
 #define FS_HAS_FIEMAP                  (0)
 #endif
 
-#ifndef HAVE_FS_RENAME_DOES_D_MOVE
-#define FS_RENAME_DOES_D_MOVE          FS_ODD_RENAME
-#endif
-
 /* add a lustre compatible layer for crypto API */
 #include <linux/crypto.h>
-#define ll_crypto_hash          crypto_hash
-#define ll_crypto_cipher        crypto_blkcipher
-#define ll_crypto_alloc_hash(name, type, mask)  crypto_alloc_hash(name, type, mask)
-#define ll_crypto_hash_setkey(tfm, key, keylen) crypto_hash_setkey(tfm, key, keylen)
-#define ll_crypto_hash_init(desc)               crypto_hash_init(desc)
-#define ll_crypto_hash_update(desc, sl, bytes)  crypto_hash_update(desc, sl, bytes)
-#define ll_crypto_hash_final(desc, out)         crypto_hash_final(desc, out)
-#define ll_crypto_blkcipher_setkey(tfm, key, keylen) \
-                crypto_blkcipher_setkey(tfm, key, keylen)
-#define ll_crypto_blkcipher_set_iv(tfm, src, len) \
-                crypto_blkcipher_set_iv(tfm, src, len)
-#define ll_crypto_blkcipher_get_iv(tfm, dst, len) \
-                crypto_blkcipher_get_iv(tfm, dst, len)
-#define ll_crypto_blkcipher_encrypt(desc, dst, src, bytes) \
-                crypto_blkcipher_encrypt(desc, dst, src, bytes)
-#define ll_crypto_blkcipher_decrypt(desc, dst, src, bytes) \
-                crypto_blkcipher_decrypt(desc, dst, src, bytes)
-#define ll_crypto_blkcipher_encrypt_iv(desc, dst, src, bytes) \
-                crypto_blkcipher_encrypt_iv(desc, dst, src, bytes)
-#define ll_crypto_blkcipher_decrypt_iv(desc, dst, src, bytes) \
-                crypto_blkcipher_decrypt_iv(desc, dst, src, bytes)
-
-static inline
-struct ll_crypto_cipher *ll_crypto_alloc_blkcipher(const char *name,
-                                                  u32 type, u32 mask)
-{
-       struct ll_crypto_cipher *rtn = crypto_alloc_blkcipher(name, type, mask);
-
-       return (rtn == NULL ? ERR_PTR(-ENOMEM) : rtn);
-}
-
-static inline int ll_crypto_hmac(struct ll_crypto_hash *tfm,
+static inline int ll_crypto_hmac(struct crypto_hash *tfm,
                                  u8 *key, unsigned int *keylen,
                                  struct scatterlist *sg,
                                  unsigned int size, u8 *result)
@@ -265,67 +151,19 @@ static inline int ll_crypto_hmac(struct ll_crypto_hash *tfm,
         }
         return crypto_hash_digest(&desc, sg, size, result);
 }
-static inline
-unsigned int ll_crypto_tfm_alg_max_keysize(struct crypto_blkcipher *tfm)
-{
-        return crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher.max_keysize;
-}
+
 static inline
 unsigned int ll_crypto_tfm_alg_min_keysize(struct crypto_blkcipher *tfm)
 {
         return crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher.min_keysize;
 }
 
-#define ll_crypto_hash_blocksize(tfm)       crypto_hash_blocksize(tfm)
-#define ll_crypto_hash_digestsize(tfm)      crypto_hash_digestsize(tfm)
-#define ll_crypto_blkcipher_ivsize(tfm)     crypto_blkcipher_ivsize(tfm)
-#define ll_crypto_blkcipher_blocksize(tfm)  crypto_blkcipher_blocksize(tfm)
-#define ll_crypto_free_hash(tfm)            crypto_free_hash(tfm)
-#define ll_crypto_free_blkcipher(tfm)       crypto_free_blkcipher(tfm)
-
-#ifdef HAVE_SECURITY_PLUG
-#define ll_vfs_rmdir(dir,entry,mnt)             vfs_rmdir(dir,entry,mnt)
-#define ll_vfs_mkdir(inode,dir,mnt,mode)        vfs_mkdir(inode,dir,mnt,mode)
-#define ll_vfs_link(old,mnt,dir,new,mnt1)       vfs_link(old,mnt,dir,new,mnt1)
-#define ll_vfs_unlink(inode,entry,mnt)          vfs_unlink(inode,entry,mnt)
-#define ll_vfs_mknod(dir,entry,mnt,mode,dev)            \
-                vfs_mknod(dir,entry,mnt,mode,dev)
-#define ll_vfs_rename(old,old_dir,mnt,new,new_dir,mnt1) \
-                vfs_rename(old,old_dir,mnt,new,new_dir,mnt1)
-#else
-#define ll_vfs_rmdir(dir,entry,mnt)             vfs_rmdir(dir,entry)
-#define ll_vfs_mkdir(inode,dir,mnt,mode)        vfs_mkdir(inode,dir,mode)
-#define ll_vfs_link(old,mnt,dir,new,mnt1)       vfs_link(old,dir,new)
-#define ll_vfs_unlink(inode,entry,mnt)          vfs_unlink(inode,entry)
-#define ll_vfs_mknod(dir,entry,mnt,mode,dev)    vfs_mknod(dir,entry,mode,dev)
-#define ll_vfs_rename(old,old_dir,mnt,new,new_dir,mnt1) \
-                vfs_rename(old,old_dir,new,new_dir)
-#endif /* HAVE_SECURITY_PLUG */
-
 #ifdef for_each_possible_cpu
 #define cfs_for_each_possible_cpu(cpu) for_each_possible_cpu(cpu)
 #elif defined(for_each_cpu)
 #define cfs_for_each_possible_cpu(cpu) for_each_cpu(cpu)
 #endif
 
-#ifdef HAVE_BIO_ENDIO_2ARG
-#define cfs_bio_io_error(a,b)   bio_io_error((a))
-#define cfs_bio_endio(a,b,c)    bio_endio((a),(c))
-#else
-#define cfs_bio_io_error(a,b)   bio_io_error((a),(b))
-#define cfs_bio_endio(a,b,c)    bio_endio((a),(b),(c))
-#endif
-
-#ifdef HAVE_FS_STRUCT_USE_PATH
-#define cfs_fs_pwd(fs)       ((fs)->pwd.dentry)
-#define cfs_fs_mnt(fs)       ((fs)->pwd.mnt)
-#define cfs_path_put(nd)     path_put(&(nd)->path)
-#else
-#define cfs_fs_pwd(fs)       ((fs)->pwd)
-#define cfs_fs_mnt(fs)       ((fs)->pwdmnt)
-#define cfs_path_put(nd)     path_release(nd)
-#endif
-
 #ifndef HAVE_SIMPLE_SETATTR
 #define simple_setattr(dentry, ops) inode_setattr((dentry)->d_inode, ops)
 #endif
@@ -334,51 +172,6 @@ unsigned int ll_crypto_tfm_alg_min_keysize(struct crypto_blkcipher *tfm)
 #define SLAB_DESTROY_BY_RCU 0
 #endif
 
-static inline int
-ll_quota_on(struct super_block *sb, int off, int ver, char *name, int remount)
-{
-        int rc;
-
-        if (sb->s_qcop->quota_on) {
-#ifdef HAVE_QUOTA_ON_USE_PATH
-                struct path path;
-
-                rc = kern_path(name, LOOKUP_FOLLOW, &path);
-                if (!rc)
-                        return rc;
-#endif
-                rc = sb->s_qcop->quota_on(sb, off, ver
-#ifdef HAVE_QUOTA_ON_USE_PATH
-                                            , &path
-#else
-                                            , name
-#endif
-#ifdef HAVE_QUOTA_ON_5ARGS
-                                            , remount
-#endif
-                                           );
-#ifdef HAVE_QUOTA_ON_USE_PATH
-                path_put(&path);
-#endif
-                return rc;
-        }
-        else
-                return -ENOSYS;
-}
-
-static inline int ll_quota_off(struct super_block *sb, int off, int remount)
-{
-        if (sb->s_qcop->quota_off) {
-                return sb->s_qcop->quota_off(sb, off
-#ifdef HAVE_QUOTA_OFF_3ARGS
-                                             , remount
-#endif
-                                            );
-        }
-        else
-                return -ENOSYS;
-}
-
 #ifndef HAVE_DQUOT_SUSPEND
 # define ll_vfs_dq_init             vfs_dq_init
 # define ll_vfs_dq_drop             vfs_dq_drop
@@ -421,28 +214,22 @@ static inline int ll_quota_off(struct super_block *sb, int off, int remount)
 #define ll_d_hlist_empty(list) hlist_empty(list)
 #define ll_d_hlist_entry(ptr, type, name) hlist_entry(ptr.first, type, name)
 #define ll_d_hlist_for_each(tmp, i_dentry) hlist_for_each(tmp, i_dentry)
+#ifdef HAVE_HLIST_FOR_EACH_3ARG
+#define ll_d_hlist_for_each_entry(dentry, p, i_dentry, alias) \
+       p = NULL; hlist_for_each_entry(dentry, i_dentry, alias)
+#else
 #define ll_d_hlist_for_each_entry(dentry, p, i_dentry, alias) \
         hlist_for_each_entry(dentry, p, i_dentry, alias)
+#endif
+#define DECLARE_LL_D_HLIST_NODE_PTR(name) struct ll_d_hlist_node *name
 #else
 #define ll_d_hlist_node list_head
 #define ll_d_hlist_empty(list) list_empty(list)
 #define ll_d_hlist_entry(ptr, type, name) list_entry(ptr.next, type, name)
 #define ll_d_hlist_for_each(tmp, i_dentry) list_for_each(tmp, i_dentry)
 #define ll_d_hlist_for_each_entry(dentry, p, i_dentry, alias) \
-        p = NULL; list_for_each_entry(dentry, i_dentry, alias)
-#endif
-
-
-#ifndef HAVE_BI_HW_SEGMENTS
-#define bio_hw_segments(q, bio) 0
-#endif
-
-#if !defined(HAVE_CPUMASK_OF_NODE) && defined(HAVE_NODE_TO_CPUMASK)
-# ifdef HAVE_OFED_CPUMASK_OF_NODE
-# undef cpumask_of_node
-# define HAVE_CPUMASK_OF_NODE
-# endif
-#define cpumask_of_node(i)     (&node_to_cpumask(i))
+       list_for_each_entry(dentry, i_dentry, alias)
+#define DECLARE_LL_D_HLIST_NODE_PTR(name) /* nothing */
 #endif
 
 #ifndef QUOTA_OK
@@ -537,4 +324,28 @@ static inline struct dentry *d_make_root(struct inode *root)
 # define ll_dirty_inode(inode, flag)   (inode)->i_sb->s_op->dirty_inode((inode))
 #endif
 
+#ifdef HAVE_FILE_F_INODE
+# define set_file_inode(file, inode)   (file)->f_inode = inode
+#else
+# define set_file_inode(file, inode)
+#endif
+
+#ifdef HAVE_OLDSIZE_TRUNCATE_PAGECACHE
+#define ll_truncate_pagecache(inode, size) truncate_pagecache(inode, 0, size)
+#else
+#define ll_truncate_pagecache(inode, size) truncate_pagecache(inode, size)
+#endif
+
+#ifdef HAVE_VFS_RENAME_5ARGS
+#define ll_vfs_rename(a, b, c, d) vfs_rename(a, b, c, d, NULL)
+#else
+#define ll_vfs_rename(a, b, c, d) vfs_rename(a, b, c, d)
+#endif
+
+#ifdef HAVE_VFS_UNLINK_3ARGS
+#define ll_vfs_unlink(a, b) vfs_unlink(a, b, NULL)
+#else
+#define ll_vfs_unlink(a, b) vfs_unlink(a, b)
+#endif
+
 #endif /* _COMPAT25_H */