X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Finclude%2Flinux%2Flustre_compat25.h;h=a485b074294722f3787597f73de272ca9e5a1510;hp=03d7a232935b7418282656d59356c5b545d8677b;hb=e4d660244e9265015c3e3480b48a28b15f0813b7;hpb=68271abc80d7ad788f518f3acf3e4c2b491f6180 diff --git a/lustre/include/linux/lustre_compat25.h b/lustre/include/linux/lustre_compat25.h index 03d7a23..a485b07 100644 --- a/lustre/include/linux/lustre_compat25.h +++ b/lustre/include/linux/lustre_compat25.h @@ -27,7 +27,7 @@ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * - * Copyright (c) 2011, 2012, Whamcloud, Inc. + * Copyright (c) 2011, 2013, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -37,31 +37,20 @@ #ifndef _LINUX_COMPAT25_H #define _LINUX_COMPAT25_H -#ifdef __KERNEL__ - #include #include #include #include -/* Some old kernels (like 2.6.9) may not define such SEEK_XXX. So the - * definition allows to compile lustre client on more OS platforms. */ -#ifndef SEEK_SET - #define SEEK_SET 0 - #define SEEK_CUR 1 - #define SEEK_END 2 -#endif - #ifdef HAVE_FS_STRUCT_RWLOCK -# define LOCK_FS_STRUCT(fs) cfs_write_lock(&(fs)->lock) -# define UNLOCK_FS_STRUCT(fs) cfs_write_unlock(&(fs)->lock) +# define LOCK_FS_STRUCT(fs) write_lock(&(fs)->lock) +# define UNLOCK_FS_STRUCT(fs) write_unlock(&(fs)->lock) #else -# define LOCK_FS_STRUCT(fs) cfs_spin_lock(&(fs)->lock) -# define UNLOCK_FS_STRUCT(fs) cfs_spin_unlock(&(fs)->lock) +# define LOCK_FS_STRUCT(fs) spin_lock(&(fs)->lock) +# 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) { @@ -80,28 +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) @@ -111,13 +78,6 @@ static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt, #define current_ngroups current_cred()->group_info->ngroups #define current_groups current_cred()->group_info->small_block -#ifndef page_private -#define page_private(page) ((page)->private) -#define set_page_private(page, v) ((page)->private = (v)) -#endif - -#define ll_kernel_locked() kernel_locked() - /* * OBD need working random driver, thus all our * initialization routines must be called after device @@ -128,128 +88,19 @@ static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt, #define module_init(a) late_initcall(a) #endif -/* XXX our code should be using the 2.6 calls, not the other way around */ -#ifdef HAVE_TRYLOCK_PAGE -#define TestSetPageLocked(page) (!trylock_page(page)) -#endif - -#define Page_Uptodate(page) PageUptodate(page) -#define ll_redirty_page(page) set_page_dirty(page) - -#define KDEVT_INIT(val) (val) - #define LTIME_S(time) (time.tv_sec) -#define ll_path_lookup path_lookup - -#ifdef HAVE_EXPORT_INODE_PERMISSION -#define ll_permission(inode,mask,nd) inode_permission(inode,mask) -#else -#define ll_permission(inode,mask,nd) permission(inode,mask,nd) -#endif - -#ifdef 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 - -#define ll_pgcache_lock(mapping) cfs_spin_lock(&mapping->page_lock) -#define ll_pgcache_unlock(mapping) cfs_spin_unlock(&mapping->page_lock) -#define ll_call_writepage(inode, page) \ - (inode)->i_mapping->a_ops->writepage(page, NULL) -#define ll_invalidate_inode_pages(inode) \ - invalidate_inode_pages((inode)->i_mapping) - -#define ll_vfs_create(a,b,c,d) vfs_create(a,b,c,d) -#define ll_dev_t dev_t -#define kdev_t dev_t -#define to_kdev_t(dev) (dev) -#define kdev_t_to_nr(dev) (dev) -#define val_to_kdev(dev) (dev) - -#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_4ARGS -#define ll_dentry_open(a, b, c, d) dentry_open(a, b, c, d) +#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_dentry_open(a, b, c, d) dentry_open(a, b, c) +# define ll_generic_permission(inode, mask, flags, check_acl) \ + generic_permission(inode, mask, check_acl) #endif -#include - -static inline int cfs_cleanup_group_info(void) -{ - struct group_info *ginfo; - - ginfo = groups_alloc(0); - if (!ginfo) - return -ENOMEM; - - set_current_groups(ginfo); - put_group_info(ginfo); - - return 0; -} - -#define __set_page_ll_data(page, llap) \ - do { \ - page_cache_get(page); \ - SetPagePrivate(page); \ - set_page_private(page, (unsigned long)llap); \ - } while (0) -#define __clear_page_ll_data(page) \ - do { \ - ClearPagePrivate(page); \ - set_page_private(page, 0); \ - page_cache_release(page); \ - } while(0) - -#define kiobuf bio - -#include - -#define CheckWriteback(page, cmd) \ - ((!PageWriteback(page) && (cmd & OBD_BRW_READ)) || \ - (PageWriteback(page) && (cmd & OBD_BRW_WRITE))) - -#ifdef HAVE_PAGE_LIST -static inline int mapping_has_pages(struct address_space *mapping) -{ - int rc = 1; - - ll_pgcache_lock(mapping); - if (cfs_list_empty(&mapping->dirty_pages) && - cfs_list_empty(&mapping->clean_pages) && - cfs_list_empty(&mapping->locked_pages)) { - rc = 0; - } - ll_pgcache_unlock(mapping); - - return rc; -} -#else -static inline int mapping_has_pages(struct address_space *mapping) -{ - return mapping->nrpages > 0; -} -#endif - -#ifdef HAVE_KIOBUF_KIO_BLOCKS -#define KIOBUF_GET_BLOCKS(k) ((k)->kio_blocks) -#else -#define KIOBUF_GET_BLOCKS(k) ((k)->blocks) -#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) @@ -258,143 +109,33 @@ static inline int mapping_has_pages(struct address_space *mapping) vfs_symlink(dir, dentry, path) #endif -#endif - -#ifndef container_of -#define container_of(ptr, type, member) ({ \ - const typeof( ((type *)0)->member ) *__mptr = (ptr); \ - (type *)( (char *)__mptr - offsetof(type,member) );}) -#endif - -#define UP_WRITE_I_ALLOC_SEM(i) up_write(&(i)->i_alloc_sem) -#define DOWN_WRITE_I_ALLOC_SEM(i) down_write(&(i)->i_alloc_sem) -#define LASSERT_I_ALLOC_SEM_WRITE_LOCKED(i) LASSERT(down_read_trylock(&(i)->i_alloc_sem) == 0) - -#define UP_READ_I_ALLOC_SEM(i) up_read(&(i)->i_alloc_sem) -#define DOWN_READ_I_ALLOC_SEM(i) down_read(&(i)->i_alloc_sem) -#define LASSERT_I_ALLOC_SEM_READ_LOCKED(i) LASSERT(down_write_trylock(&(i)->i_alloc_sem) == 0) - -#include /* for generic_writepages */ - -#ifdef HAVE_HIDE_VFSMOUNT_GUTS -# include <../fs/mount.h> +#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); #else -# define real_mount(mnt) (mnt) +#define ll_generic_file_llseek_size(file, offset, origin, maxbytes, eof) \ + generic_file_llseek_size(file, offset, origin, maxbytes); #endif -static inline const char *mnt_get_devname(struct vfsmount *mnt) -{ - return real_mount(mnt)->mnt_devname; -} - -#ifndef HAVE_ATOMIC_MNT_COUNT -static inline unsigned int mnt_get_count(struct vfsmount *mnt) -{ -#ifdef CONFIG_SMP - unsigned int count = 0; - int cpu; - - for_each_possible_cpu(cpu) { - count += per_cpu_ptr(real_mount(mnt)->mnt_pcp, cpu)->mnt_count; - } - - return count; -#else - return real_mount(mnt)->mnt_count; -#endif -} +#ifdef HAVE_INODE_DIO_WAIT +/* inode_dio_wait(i) use as-is for write lock */ +# define inode_dio_write_done(i) do {} while (0) /* for write unlock */ +# define inode_dio_read(i) atomic_inc(&(i)->i_dio_count) +/* inode_dio_done(i) use as-is for read unlock */ #else -# define mnt_get_count(mnt) cfs_atomic_read(&(real_mount(mnt)->mnt_count)) +# define inode_dio_wait(i) down_write(&(i)->i_alloc_sem) +# define inode_dio_write_done(i) up_write(&(i)->i_alloc_sem) +# define inode_dio_read(i) down_read(&(i)->i_alloc_sem) +# 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) cfs_spin_lock_irq(&(mapping)->tree_lock) -#define TREE_READ_UNLOCK_IRQ(mapping) cfs_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 - -#ifdef HAVE_INODE_BLKSIZE -#define ll_inode_blksize(a) (a)->i_blksize -#else -#define ll_inode_blksize(a) (1<<(a)->i_blkbits) -#endif - -#ifdef HAVE_FS_RENAME_DOES_D_MOVE -#define LL_RENAME_DOES_D_MOVE FS_RENAME_DOES_D_MOVE -#else -#define LL_RENAME_DOES_D_MOVE FS_ODD_RENAME -#endif - -#ifndef HAVE_D_OBTAIN_ALIAS -/* The old d_alloc_anon() didn't free the inode reference on error - * like d_obtain_alias(). Hide that difference/inconvenience here. */ -static inline struct dentry *d_obtain_alias(struct inode *inode) -{ - struct dentry *anon = d_alloc_anon(inode); - - if (anon == NULL) { - iput(inode); - anon = ERR_PTR(-ENOMEM); - } - - return anon; -} +#ifndef FS_HAS_FIEMAP +#define FS_HAS_FIEMAP (0) #endif /* add a lustre compatible layer for crypto API */ #include -#ifdef HAVE_ASYNC_BLOCK_CIPHER -#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) @@ -410,334 +151,43 @@ 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) -#else /* HAVE_ASYNC_BLOCK_CIPHER */ -#include -#define ll_crypto_hash crypto_tfm -#define ll_crypto_cipher crypto_tfm -#ifndef HAVE_STRUCT_HASH_DESC -struct hash_desc { - struct ll_crypto_hash *tfm; - u32 flags; -}; -#endif -#ifndef HAVE_STRUCT_BLKCIPHER_DESC -struct blkcipher_desc { - struct ll_crypto_cipher *tfm; - void *info; - u32 flags; -}; -#endif -#define ll_crypto_blkcipher_setkey(tfm, key, keylen) \ - crypto_cipher_setkey(tfm, key, keylen) -#define ll_crypto_blkcipher_set_iv(tfm, src, len) \ - crypto_cipher_set_iv(tfm, src, len) -#define ll_crypto_blkcipher_get_iv(tfm, dst, len) \ - crypto_cipher_get_iv(tfm, dst, len) -#define ll_crypto_blkcipher_encrypt(desc, dst, src, bytes) \ - crypto_cipher_encrypt((desc)->tfm, dst, src, bytes) -#define ll_crypto_blkcipher_decrypt(desc, dst, src, bytes) \ - crypto_cipher_decrypt((desc)->tfm, dst, src, bytes) -#define ll_crypto_blkcipher_decrypt_iv(desc, dst, src, bytes) \ - crypto_cipher_decrypt_iv((desc)->tfm, dst, src, bytes, (desc)->info) -#define ll_crypto_blkcipher_encrypt_iv(desc, dst, src, bytes) \ - crypto_cipher_encrypt_iv((desc)->tfm, dst, src, bytes, (desc)->info) - -static inline -struct ll_crypto_cipher *ll_crypto_alloc_blkcipher(const char * algname, - u32 type, u32 mask) -{ - struct ll_crypto_cipher *rtn; - char buf[CRYPTO_MAX_ALG_NAME + 1]; - const char *pan = algname; - u32 flag = 0; - - if (strncmp("cbc(", algname, 4) == 0) - flag |= CRYPTO_TFM_MODE_CBC; - else if (strncmp("ecb(", algname, 4) == 0) - flag |= CRYPTO_TFM_MODE_ECB; - if (flag) { - char *vp = strnchr(algname, CRYPTO_MAX_ALG_NAME, ')'); - if (vp) { - memcpy(buf, algname + 4, vp - algname - 4); - buf[vp - algname - 4] = '\0'; - pan = buf; - } else { - flag = 0; - } - } - rtn = crypto_alloc_tfm(pan, flag); - return (rtn == NULL ? ERR_PTR(-ENOMEM) : rtn); -} - -static inline -struct ll_crypto_hash *ll_crypto_alloc_hash(const char *alg, u32 type, u32 mask) -{ - char buf[CRYPTO_MAX_ALG_NAME + 1]; - const char *pan = alg; - - if (strncmp("hmac(", alg, 5) == 0) { - char *vp = strnchr(alg, CRYPTO_MAX_ALG_NAME, ')'); - if (vp) { - memcpy(buf, alg+ 5, vp - alg- 5); - buf[vp - alg - 5] = 0x00; - pan = buf; - } - } - return crypto_alloc_tfm(pan, 0); -} -static inline int ll_crypto_hash_init(struct hash_desc *desc) -{ - crypto_digest_init(desc->tfm); return 0; -} -static inline int ll_crypto_hash_update(struct hash_desc *desc, - struct scatterlist *sg, - unsigned int nbytes) -{ - struct scatterlist *sl = sg; - unsigned int count; - /* - * This way is very weakness. We must ensure that - * the sum of sg[0..i]->length isn't greater than nbytes. - * In the upstream kernel the crypto_hash_update() also - * via the nbytes computed the count of sg[...]. - * The old style is more safely. but it gone. - */ - for (count = 0; nbytes > 0; count ++, sl ++) { - nbytes -= sl->length; - } - crypto_digest_update(desc->tfm, sg, count); return 0; -} -static inline int ll_crypto_hash_final(struct hash_desc *desc, u8 *out) -{ - crypto_digest_final(desc->tfm, out); return 0; -} -static inline int ll_crypto_hmac(struct crypto_tfm *tfm, - u8 *key, unsigned int *keylen, - struct scatterlist *sg, - unsigned int nbytes, - u8 *out) -{ - struct scatterlist *sl = sg; - int count; - for (count = 0; nbytes > 0; count ++, sl ++) { - nbytes -= sl->length; - } - crypto_hmac(tfm, key, keylen, sg, count, out); - return 0; -} - -#define ll_crypto_hash_setkey(tfm, key, keylen) crypto_digest_setkey(tfm, key, keylen) -#define ll_crypto_blkcipher_blocksize(tfm) crypto_tfm_alg_blocksize(tfm) -#define ll_crypto_blkcipher_ivsize(tfm) crypto_tfm_alg_ivsize(tfm) -#define ll_crypto_hash_digestsize(tfm) crypto_tfm_alg_digestsize(tfm) -#define ll_crypto_hash_blocksize(tfm) crypto_tfm_alg_blocksize(tfm) -#define ll_crypto_free_hash(tfm) crypto_free_tfm(tfm) -#define ll_crypto_free_blkcipher(tfm) crypto_free_tfm(tfm) -#define ll_crypto_tfm_alg_min_keysize crypto_tfm_alg_min_keysize -#define ll_crypto_tfm_alg_max_keysize crypto_tfm_alg_max_keysize -#endif /* HAVE_ASYNC_BLOCK_CIPHER */ - -#ifdef HAVE_FILE_REMOVE_SUID -# define ll_remove_suid(file, mnt) file_remove_suid(file) -#else -# ifdef HAVE_SECURITY_PLUG -# define ll_remove_suid(file,mnt) remove_suid(file->f_dentry,mnt) -# else -# define ll_remove_suid(file,mnt) remove_suid(file->f_dentry) -# endif -#endif - -#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_security_inode_unlink(dir,entry,mnt) \ - security_inode_unlink(dir,entry,mnt) -#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_security_inode_unlink(dir,entry,mnt) security_inode_unlink(dir,entry) -#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 abs -static inline int abs(int x) -{ - return (x < 0) ? -x : x; -} -#endif - -#ifndef labs -static inline long labs(long x) -{ - return (x < 0) ? -x : x; -} -#endif /* HAVE_REGISTER_SHRINKER */ - #ifndef HAVE_SIMPLE_SETATTR #define simple_setattr(dentry, ops) inode_setattr((dentry)->d_inode, ops) #endif #ifndef SLAB_DESTROY_BY_RCU -#define CFS_SLAB_DESTROY_BY_RCU 0 -#else -#define CFS_SLAB_DESTROY_BY_RCU SLAB_DESTROY_BY_RCU -#endif - -#ifdef HAVE_SB_HAS_QUOTA_ACTIVE -#define ll_sb_has_quota_active(sb, type) sb_has_quota_active(sb, type) -#else -#define ll_sb_has_quota_active(sb, type) sb_has_quota_enabled(sb, type) +#define SLAB_DESTROY_BY_RCU 0 #endif -#ifdef HAVE_SB_ANY_QUOTA_LOADED -#define ll_sb_any_quota_active(sb) sb_any_quota_loaded(sb) -#elif defined(HAVE_SB_ANY_QUOTA_ACTIVE) -#define ll_sb_any_quota_active(sb) sb_any_quota_active(sb) -#else -#define ll_sb_any_quota_active(sb) sb_any_quota_enabled(sb) -#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_BLK_QUEUE_LOG_BLK_SIZE /* added in 2.6.31 */ -#define blk_queue_logical_block_size(q, sz) blk_queue_hardsect_size(q, sz) -#endif - -#ifndef HAVE_VFS_DQ_OFF -# define ll_vfs_dq_init DQUOT_INIT -# define ll_vfs_dq_drop DQUOT_DROP -# define ll_vfs_dq_transfer DQUOT_TRANSFER -# define ll_vfs_dq_off(sb, remount) DQUOT_OFF(sb) -#else +#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) -#endif - -#ifdef HAVE_BDI_INIT -#define ll_bdi_init(bdi) bdi_init(bdi) -#define ll_bdi_destroy(bdi) bdi_destroy(bdi) -#else -#define ll_bdi_init(bdi) 0 -#define ll_bdi_destroy(bdi) do { } while(0) -#endif - -#ifdef HAVE_NEW_BACKING_DEV_INFO -# define ll_bdi_wb_cnt(bdi) ((bdi).wb_cnt) #else -# define ll_bdi_wb_cnt(bdi) 1 -#endif - -#ifdef HAVE_BLK_QUEUE_MAX_SECTORS /* removed in rhel6 */ -#define blk_queue_max_hw_sectors(q, sect) blk_queue_max_sectors(q, sect) +# 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 -#ifndef HAVE_REQUEST_QUEUE_LIMITS -#define queue_max_sectors(rq) ((rq)->max_sectors) -#define queue_max_hw_sectors(rq) ((rq)->max_hw_sectors) -#define queue_max_phys_segments(rq) ((rq)->max_phys_segments) -#define queue_max_hw_segments(rq) ((rq)->max_hw_segments) -#endif - #ifndef HAVE_BLK_QUEUE_MAX_SEGMENTS #define blk_queue_max_segments(rq, seg) \ do { blk_queue_max_phys_segments(rq, seg); \ @@ -747,38 +197,39 @@ static inline int ll_quota_off(struct super_block *sb, int off, int remount) #define queue_max_hw_segments(rq) queue_max_segments(rq) #endif - -#ifndef HAVE_BI_HW_SEGMENTS -#define bio_hw_segments(q, bio) 0 +#ifdef HAVE_KMAP_ATOMIC_HAS_1ARG +#define ll_kmap_atomic(a, b) kmap_atomic(a) +#define ll_kunmap_atomic(a, b) kunmap_atomic(a) +#else +#define ll_kmap_atomic(a, b) kmap_atomic(a, b) +#define ll_kunmap_atomic(a, b) kunmap_atomic(a, b) #endif -#ifndef HAVE_PAGEVEC_LRU_ADD_FILE -#define pagevec_lru_add_file pagevec_lru_add +#ifndef HAVE_CLEAR_INODE +#define clear_inode(i) end_writeback(i) #endif -#ifdef HAVE_ADD_TO_PAGE_CACHE_LRU -#define ll_add_to_page_cache_lru(pg, mapping, off, gfp) \ - add_to_page_cache_lru(pg, mapping, off, gfp) -#define ll_pagevec_init(pv, cold) do {} while (0) -#define ll_pagevec_add(pv, pg) (0) -#define ll_pagevec_lru_add_file(pv) do {} while (0) +#ifdef HAVE_DENTRY_D_ALIAS_HLIST +#define ll_d_hlist_node hlist_node +#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_add_to_page_cache_lru(pg, mapping, off, gfp) \ - add_to_page_cache(pg, mapping, off, gfp) -#define ll_pagevec_init(pv, cold) pagevec_init(&lru_pvec, cold); -#define ll_pagevec_add(pv, pg) \ -({ \ - int __ret; \ - \ - page_cache_get(pg); \ - __ret = pagevec_add(pv, pg); \ -}) -#define ll_pagevec_lru_add_file(pv) pagevec_lru_add_file(pv) +#define ll_d_hlist_for_each_entry(dentry, p, i_dentry, alias) \ + hlist_for_each_entry(dentry, p, i_dentry, alias) #endif - -#if !defined(HAVE_NODE_TO_CPUMASK) && defined(HAVE_CPUMASK_OF_NODE) -#define node_to_cpumask(i) (*(cpumask_of_node(i))) -#define HAVE_NODE_TO_CPUMASK +#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) \ + list_for_each_entry(dentry, i_dentry, alias) +#define DECLARE_LL_D_HLIST_NODE_PTR(name) /* nothing */ #endif #ifndef QUOTA_OK @@ -788,6 +239,17 @@ static inline int ll_quota_off(struct super_block *sb, int off, int remount) # define NO_QUOTA (-EDQUOT) #endif +#ifndef SEEK_DATA +#define SEEK_DATA 3 /* seek to the next data */ +#endif +#ifndef SEEK_HOLE +#define SEEK_HOLE 4 /* seek to the next hole */ +#endif + +#ifndef FMODE_UNSIGNED_OFFSET +#define FMODE_UNSIGNED_OFFSET ((__force fmode_t)0x2000) +#endif + #if !defined(_ASM_GENERIC_BITOPS_EXT2_NON_ATOMIC_H_) && !defined(ext2_set_bit) # define ext2_set_bit __test_and_set_bit_le # define ext2_clear_bit __test_and_clear_bit_le @@ -802,12 +264,82 @@ static inline int ll_quota_off(struct super_block *sb, int off, int remount) # define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET) #endif -#ifndef HAVE_SELINUX_IS_ENABLED -static inline bool selinux_is_enabled(void) +#ifndef HAVE_LM_XXX_LOCK_MANAGER_OPS +# define lm_compare_owner fl_compare_owner +#endif + +/* + * After 3.1, kernel's nameidata.intent.open.flags is different + * with lustre's lookup_intent.it_flags, as lustre's it_flags' + * lower bits equal to FMODE_xxx while kernel doesn't transliterate + * lower bits of nameidata.intent.open.flags to FMODE_xxx. + * */ +#include +static inline int ll_namei_to_lookup_intent_flag(int flag) { - return 0; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) + flag = (flag & ~O_ACCMODE) | OPEN_FMODE(flag); +#endif + return flag; } + +#ifdef HAVE_VOID_MAKE_REQUEST_FN +# define ll_mrf_ret void +# define LL_MRF_RETURN(rc) +#else +# define ll_mrf_ret int +# define LL_MRF_RETURN(rc) RETURN(rc) +#endif + +#include +#ifndef HAVE_PROTECT_I_NLINK +static inline void set_nlink(struct inode *inode, unsigned int nlink) +{ + inode->i_nlink = nlink; +} +#endif + +#ifdef HAVE_INODEOPS_USE_UMODE_T +# define ll_umode_t umode_t +#else +# define ll_umode_t int +#endif + +#include +#ifndef HAVE_D_MAKE_ROOT +static inline struct dentry *d_make_root(struct inode *root) +{ + struct dentry *res = d_alloc_root(root); + + if (res == NULL && root) + iput(root); + + return res; +} +#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_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 -#endif /* __KERNEL__ */ #endif /* _COMPAT25_H */