b=21502 symlink compatibility between 1.6 and 2.0

[fs/lustre-release.git] / lustre / osd / osd_internal.h

diff --git a/lustre/osd/osd_internal.h b/lustre/osd/osd_internal.h
index 40f9ee4..9c5db4a 100644 (file)
--- a/lustre/osd/osd_internal.h
+++ b/lustre/osd/osd_internal.h
@@ -47,16 +47,23 @@
 
 /* struct rw_semaphore */
 #include <linux/rwsem.h>
-/* handle_t, journal_start(), journal_stop() */
-#include <linux/jbd.h>
-/* struct dx_hash_info */
-#include <linux/ldiskfs_fs.h>
 /* struct dentry */
 #include <linux/dcache.h>
-#include <linux/lustre_iam.h>
 /* struct dirent64 */
 #include <linux/dirent.h>
 
+#ifdef HAVE_EXT4_LDISKFS
+#include <ldiskfs/ldiskfs.h>
+#include <ldiskfs/ldiskfs_jbd2.h>
+#define osd_journal_callback_set(handle, func, jcb) jbd2_journal_callback_set(handle, func, jcb)
+#else
+#include <linux/jbd.h>
+#include <linux/ldiskfs_fs.h>
+#include <linux/ldiskfs_jbd.h>
+#define osd_journal_callback_set(handle, func, jcb) journal_callback_set(handle, func, jcb)
+#endif
+
+
 /* LUSTRE_OSD_NAME */
 #include <obd.h>
 /* class_register_type(), class_unregister_type(), class_get_type() */
@@ -65,6 +72,7 @@
 
 #include <dt_object.h>
 #include "osd_oi.h"
+#include "osd_iam.h"
 
 struct inode;
 
@@ -110,7 +118,7 @@ struct osd_device {
         unsigned long             od_capa_timeout;
         __u32                     od_capa_alg;
         struct lustre_capa_key   *od_capa_keys;
-        struct hlist_head        *od_capa_hash;
+        cfs_hlist_head_t         *od_capa_hash;
 
         cfs_proc_dir_entry_t     *od_proc_entry;
         struct lprocfs_stats     *od_stats;
@@ -118,8 +126,8 @@ struct osd_device {
          * statfs optimization: we cache a bit.
          */
         cfs_time_t                od_osfs_age;
-        struct kstatfs            od_kstatfs;
-        spinlock_t                od_osfs_lock;
+        cfs_kstatfs_t             od_kstatfs;
+        cfs_spinlock_t            od_osfs_lock;
 
         /**
          * The following flag indicates, if it is interop mode or not.
@@ -128,7 +136,18 @@ struct osd_device {
         __u32                     od_iop_mode;
 };
 
+/**
+ * Storage representation for fids.
+ *
+ * Variable size, first byte contains the length of the whole record.
+ */
+struct osd_fid_pack {
+        unsigned char fp_len;
+        char fp_area[sizeof(struct lu_fid)];
+};
+
 struct osd_it_ea_dirent {
+        struct lu_fid   oied_fid;
         __u64           oied_ino;
         __u64           oied_off;
         unsigned short  oied_namelen;
@@ -136,7 +155,14 @@ struct osd_it_ea_dirent {
         char            oied_name[0];
 } __attribute__((packed));
 
-#define OSD_IT_EA_BUFSIZE       CFS_PAGE_SIZE
+/**
+ * as osd_it_ea_dirent (in memory dirent struct for osd) is greater
+ * than lu_dirent struct. osd readdir reads less number of dirent than
+ * required for mdd dir page. so buffer size need to be increased so that
+ * there  would be one ext3 readdir for every mdd readdir page.
+ */
+
+#define OSD_IT_EA_BUFSIZE       (CFS_PAGE_SIZE + CFS_PAGE_SIZE/4)
 
 /**
  * This is iterator's in-memory data structure in interoperability
@@ -194,8 +220,6 @@ struct osd_thread_info {
         struct lustre_capa_key oti_capa_key;
         struct lustre_capa     oti_capa;
 
-        struct lu_fid_pack     oti_pack;
-
         /**
          * following ipd and it structures are used for osd_index_iam_lookup()
          * these are defined separately as we might do index operation
@@ -239,6 +263,9 @@ struct osd_thread_info {
         struct osd_ctxt        oti_ctxt;
 #endif
         struct lu_env          oti_obj_delete_tx_env;
+#define OSD_FID_REC_SZ 32
+        char                   oti_ldp[OSD_FID_REC_SZ];
+        char                   oti_ldp2[OSD_FID_REC_SZ];
 };
 
 #ifdef LPROCFS
@@ -251,7 +278,7 @@ void osd_lprocfs_time_end(const struct lu_env *env,
                           struct osd_device *osd, int op);
 #endif
 int osd_statfs(const struct lu_env *env, struct dt_device *dev,
-               struct kstatfs *sfs);
+               cfs_kstatfs_t *sfs);
 
 /*
  * Invariants, assertions.