X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre_compat.h;h=18d0105673054a5519f6ff89f57078718724fa8d;hb=723f40030aa289f0b44d9394cc2e15a4d1772600;hp=d77799346633f000536a79ae32ed3da39ec895e3;hpb=5e5e4ae2be4bc377f0f896163ae59bf338c4250c;p=fs%2Flustre-release.git

diff --git a/lustre/include/lustre_compat.h b/lustre/include/lustre_compat.h
index d777993..18d0105 100644
--- a/lustre/include/lustre_compat.h
+++ b/lustre/include/lustre_compat.h
@@ -15,11 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -39,8 +35,10 @@
 
 #include <linux/fs_struct.h>
 #include <linux/namei.h>
+#include <linux/pagemap.h>
 #include <linux/bio.h>
 
+#include <libcfs/libcfs.h>
 #include <lustre_patchless_compat.h>
 
 #ifdef HAVE_FS_STRUCT_RWLOCK
@@ -133,31 +131,6 @@ static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
 #define FS_HAS_FIEMAP			(0)
 #endif
 
-/* add a lustre compatible layer for crypto API */
-#include <linux/crypto.h>
-static inline int ll_crypto_hmac(struct crypto_hash *tfm,
-                                 u8 *key, unsigned int *keylen,
-                                 struct scatterlist *sg,
-                                 unsigned int size, u8 *result)
-{
-        struct hash_desc desc;
-        int              rv;
-        desc.tfm   = tfm;
-        desc.flags = 0;
-        rv = crypto_hash_setkey(desc.tfm, key, *keylen);
-        if (rv) {
-                CERROR("failed to hash setkey: %d\n", rv);
-                return rv;
-        }
-        return crypto_hash_digest(&desc, sg, size, result);
-}
-
-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;
-}
-
 #ifndef HAVE_SIMPLE_SETATTR
 #define simple_setattr(dentry, ops) inode_setattr((dentry)->d_inode, ops)
 #endif
@@ -185,7 +158,7 @@ unsigned int ll_crypto_tfm_alg_min_keysize(struct crypto_blkcipher *tfm)
 #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 bvl_to_page(bvl)		(bvl.bv_page)
+#define bvl_to_page(bvl)		(bvl->bv_page)
 #else
 #define bio_idx(bio)			(bio->bi_idx)
 #define bio_set_sector(bio, sector)	(bio->bi_sector = sector)
@@ -280,6 +253,14 @@ unsigned int ll_crypto_tfm_alg_min_keysize(struct crypto_blkcipher *tfm)
 # define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET)
 #endif
 
+#ifndef XATTR_NAME_POSIX_ACL_ACCESS
+# define XATTR_NAME_POSIX_ACL_ACCESS POSIX_ACL_XATTR_ACCESS
+#endif
+
+#ifndef XATTR_NAME_POSIX_ACL_DEFAULT
+# define XATTR_NAME_POSIX_ACL_DEFAULT POSIX_ACL_XATTR_DEFAULT
+#endif
+
 #ifndef HAVE_LM_XXX_LOCK_MANAGER_OPS
 # define lm_compare_owner	fl_compare_owner
 #endif
@@ -351,6 +332,13 @@ static inline struct dentry *d_make_root(struct inode *root)
 # define set_file_inode(file, inode)
 #endif
 
+#ifndef HAVE_FILE_INODE
+static inline struct inode *file_inode(const struct file *file)
+{
+	return file->f_path.dentry->d_inode;
+}
+#endif
+
 #ifdef HAVE_OLDSIZE_TRUNCATE_PAGECACHE
 #define ll_truncate_pagecache(inode, size) truncate_pagecache(inode, 0, size)
 #else
@@ -371,6 +359,12 @@ static inline struct dentry *d_make_root(struct inode *root)
 #define ll_vfs_unlink(a, b) vfs_unlink(a, b)
 #endif
 
+#ifndef HAVE_INODE_LOCK
+# define inode_lock(inode) mutex_lock(&(inode)->i_mutex)
+# define inode_unlock(inode) mutex_unlock(&(inode)->i_mutex)
+# define inode_trylock(inode) mutex_trylock(&(inode)->i_mutex)
+#endif
+
 #ifndef HAVE_RADIX_EXCEPTION_ENTRY
 static inline int radix_tree_exceptional_entry(void *arg)
 {
@@ -411,7 +405,18 @@ static inline void truncate_inode_pages_final(struct address_space *map)
 #endif
 
 #ifndef bio_for_each_segment_all /* since kernel version 3.9 */
+#ifdef HAVE_BVEC_ITER
+#define bio_for_each_segment_all(bv, bio, it) \
+	for (it = 0, bv = (bio)->bi_io_vec; it < (bio)->bi_vcnt; it++, bv++)
+#else
 #define bio_for_each_segment_all(bv, bio, it) bio_for_each_segment(bv, bio, it)
 #endif
+#endif
+
+#ifdef HAVE_PID_NS_FOR_CHILDREN
+# define ll_task_pid_ns(task)	((task)->nsproxy->pid_ns_for_children)
+#else
+# define ll_task_pid_ns(task)	((task)->nsproxy->pid_ns)
+#endif
 
 #endif /* _LUSTRE_COMPAT_H */