Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...
[linux-2.6.git] / fs / xfs / xfs_mount.c
index c0b1c29..9dfae18 100644 (file)
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
@@ -196,7 +194,7 @@ xfs_mount_free(
                kmem_free(mp->m_logname, strlen(mp->m_logname) + 1);
 
        if (remove_bhv) {
-               struct vfs      *vfsp = XFS_MTOVFS(mp);
+               struct bhv_vfs  *vfsp = XFS_MTOVFS(mp);
 
                bhv_remove_all_vfsops(vfsp, 0);
                VFS_REMOVEBHV(vfsp, &mp->m_bhv);
@@ -337,7 +335,7 @@ xfs_mount_validate_sb(
 
 xfs_agnumber_t
 xfs_initialize_perag(
-       struct vfs      *vfs,
+       bhv_vfs_t       *vfs,
        xfs_mount_t     *mp,
        xfs_agnumber_t  agcount)
 {
@@ -651,14 +649,14 @@ xfs_mount_common(xfs_mount_t *mp, xfs_sb_t *sbp)
  */
 int
 xfs_mountfs(
-       vfs_t           *vfsp,
+       bhv_vfs_t       *vfsp,
        xfs_mount_t     *mp,
        int             mfsi_flags)
 {
        xfs_buf_t       *bp;
        xfs_sb_t        *sbp = &(mp->m_sb);
        xfs_inode_t     *rip;
-       vnode_t         *rvp = NULL;
+       bhv_vnode_t     *rvp = NULL;
        int             readio_log, writeio_log;
        xfs_daddr_t     d;
        __uint64_t      ret64;
@@ -934,18 +932,7 @@ xfs_mountfs(
        vfsp->vfs_altfsid = (xfs_fsid_t *)mp->m_fixedfsid;
        mp->m_dmevmask = 0;     /* not persistent; set after each mount */
 
-       /*
-        * Select the right directory manager.
-        */
-       mp->m_dirops =
-               XFS_SB_VERSION_HASDIRV2(&mp->m_sb) ?
-                       xfsv2_dirops :
-                       xfsv1_dirops;
-
-       /*
-        * Initialize directory manager's entries.
-        */
-       XFS_DIR_MOUNT(mp);
+       xfs_dir_mount(mp);
 
        /*
         * Initialize the attribute manager's entries.
@@ -1006,8 +993,9 @@ xfs_mountfs(
 
        if (unlikely((rip->i_d.di_mode & S_IFMT) != S_IFDIR)) {
                cmn_err(CE_WARN, "XFS: corrupted root inode");
-               prdev("Root inode %llu is not a directory",
-                     mp->m_ddev_targp, (unsigned long long)rip->i_ino);
+               cmn_err(CE_WARN, "Device %s - root %llu is not a directory",
+                       XFS_BUFTARG_NAME(mp->m_ddev_targp),
+                       (unsigned long long)rip->i_ino);
                xfs_iunlock(rip, XFS_ILOCK_EXCL);
                XFS_ERROR_REPORT("xfs_mountfs_int(2)", XFS_ERRLEVEL_LOW,
                                 mp);
@@ -1094,7 +1082,7 @@ xfs_mountfs(
 int
 xfs_unmountfs(xfs_mount_t *mp, struct cred *cr)
 {
-       struct vfs      *vfsp = XFS_MTOVFS(mp);
+       struct bhv_vfs  *vfsp = XFS_MTOVFS(mp);
 #if defined(DEBUG) || defined(INDUCE_IO_ERROR)
        int64_t         fsid;
 #endif
@@ -1254,6 +1242,8 @@ xfs_mod_sb(xfs_trans_t *tp, __int64_t fields)
 
        xfs_trans_log_buf(tp, bp, first, last);
 }
+
+
 /*
  * xfs_mod_incore_sb_unlocked() is a utility routine common used to apply
  * a delta to a specified field in the in-core superblock.  Simply
@@ -1298,7 +1288,8 @@ xfs_mod_incore_sb_unlocked(xfs_mount_t *mp, xfs_sb_field_t field,
                return 0;
        case XFS_SBS_FDBLOCKS:
 
-               lcounter = (long long)mp->m_sb.sb_fdblocks;
+               lcounter = (long long)
+                       mp->m_sb.sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp);
                res_used = (long long)(mp->m_resblks - mp->m_resblks_avail);
 
                if (delta > 0) {                /* Putting blocks back */
@@ -1332,7 +1323,7 @@ xfs_mod_incore_sb_unlocked(xfs_mount_t *mp, xfs_sb_field_t field,
                        }
                }
 
-               mp->m_sb.sb_fdblocks = lcounter;
+               mp->m_sb.sb_fdblocks = lcounter + XFS_ALLOC_SET_ASIDE(mp);
                return 0;
        case XFS_SBS_FREXTENTS:
                lcounter = (long long)mp->m_sb.sb_frextents;
@@ -1713,15 +1704,14 @@ xfs_mount_log_sbunit(
  * is present to prevent thrashing).
  */
 
+#ifdef CONFIG_HOTPLUG_CPU
 /*
  * hot-plug CPU notifier support.
  *
- * We cannot use the hotcpu_register() function because it does
- * not allow notifier instances. We need a notifier per filesystem
- * as we need to be able to identify the filesystem to balance
- * the counters out. This is achieved by having a notifier block
- * embedded in the xfs_mount_t and doing pointer magic to get the
- * mount pointer from the notifier block address.
+ * We need a notifier per filesystem as we need to be able to identify
+ * the filesystem to balance the counters out. This is achieved by
+ * having a notifier block embedded in the xfs_mount_t and doing pointer
+ * magic to get the mount pointer from the notifier block address.
  */
 STATIC int
 xfs_icsb_cpu_notify(
@@ -1771,6 +1761,7 @@ xfs_icsb_cpu_notify(
 
        return NOTIFY_OK;
 }
+#endif /* CONFIG_HOTPLUG_CPU */
 
 int
 xfs_icsb_init_counters(
@@ -1783,9 +1774,11 @@ xfs_icsb_init_counters(
        if (mp->m_sb_cnts == NULL)
                return -ENOMEM;
 
+#ifdef CONFIG_HOTPLUG_CPU
        mp->m_icsb_notifier.notifier_call = xfs_icsb_cpu_notify;
        mp->m_icsb_notifier.priority = 0;
-       register_cpu_notifier(&mp->m_icsb_notifier);
+       register_hotcpu_notifier(&mp->m_icsb_notifier);
+#endif /* CONFIG_HOTPLUG_CPU */
 
        for_each_online_cpu(i) {
                cntp = (xfs_icsb_cnts_t *)per_cpu_ptr(mp->m_sb_cnts, i);
@@ -1804,7 +1797,7 @@ xfs_icsb_destroy_counters(
        xfs_mount_t     *mp)
 {
        if (mp->m_sb_cnts) {
-               unregister_cpu_notifier(&mp->m_icsb_notifier);
+               unregister_hotcpu_notifier(&mp->m_icsb_notifier);
                free_percpu(mp->m_sb_cnts);
        }
 }
@@ -2011,14 +2004,15 @@ xfs_icsb_sync_counters_lazy(
  * when we get near ENOSPC.
  */
 #define XFS_ICSB_INO_CNTR_REENABLE     64
-#define XFS_ICSB_FDBLK_CNTR_REENABLE   512
+#define XFS_ICSB_FDBLK_CNTR_REENABLE(mp) \
+               (512 + XFS_ALLOC_SET_ASIDE(mp))
 STATIC void
 xfs_icsb_balance_counter(
        xfs_mount_t     *mp,
        xfs_sb_field_t  field,
        int             flags)
 {
-       uint64_t        count, resid = 0;
+       uint64_t        count, resid;
        int             weight = num_online_cpus();
        int             s;
 
@@ -2045,11 +2039,12 @@ xfs_icsb_balance_counter(
        case XFS_SBS_FDBLOCKS:
                count = mp->m_sb.sb_fdblocks;
                resid = do_div(count, weight);
-               if (count < XFS_ICSB_FDBLK_CNTR_REENABLE)
+               if (count < XFS_ICSB_FDBLK_CNTR_REENABLE(mp))
                        goto out;
                break;
        default:
                BUG();
+               count = resid = 0;      /* quiet, gcc */
                break;
        }
 
@@ -2099,11 +2094,11 @@ again:
        case XFS_SBS_FDBLOCKS:
                BUG_ON((mp->m_resblks - mp->m_resblks_avail) != 0);
 
-               lcounter = icsbp->icsb_fdblocks;
+               lcounter = icsbp->icsb_fdblocks - XFS_ALLOC_SET_ASIDE(mp);
                lcounter += delta;
                if (unlikely(lcounter < 0))
                        goto slow_path;
-               icsbp->icsb_fdblocks = lcounter;
+               icsbp->icsb_fdblocks = lcounter + XFS_ALLOC_SET_ASIDE(mp);
                break;
        default:
                BUG();