Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

[pandora-kernel.git] / fs / xfs / linux-2.6 / xfs_super.c

diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 52e06b4..f2d1718 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -119,6 +119,8 @@ mempool_t *xfs_ioend_pool;
 #define MNTOPT_DMAPI   "dmapi"         /* DMI enabled (DMAPI / XDSM) */
 #define MNTOPT_XDSM    "xdsm"          /* DMI enabled (DMAPI / XDSM) */
 #define MNTOPT_DMI     "dmi"           /* DMI enabled (DMAPI / XDSM) */
+#define MNTOPT_DELAYLOG   "delaylog"   /* Delayed loging enabled */
+#define MNTOPT_NODELAYLOG "nodelaylog" /* Delayed loging disabled */
 
 /*
  * Table driven mount option parser.
@@ -374,6 +376,13 @@ xfs_parseargs(
                        mp->m_flags |= XFS_MOUNT_DMAPI;
                } else if (!strcmp(this_char, MNTOPT_DMI)) {
                        mp->m_flags |= XFS_MOUNT_DMAPI;
+               } else if (!strcmp(this_char, MNTOPT_DELAYLOG)) {
+                       mp->m_flags |= XFS_MOUNT_DELAYLOG;
+                       cmn_err(CE_WARN,
+                               "Enabling EXPERIMENTAL delayed logging feature "
+                               "- use at your own risk.\n");
+               } else if (!strcmp(this_char, MNTOPT_NODELAYLOG)) {
+                       mp->m_flags &= ~XFS_MOUNT_DELAYLOG;
                } else if (!strcmp(this_char, "ihashsize")) {
                        cmn_err(CE_WARN,
        "XFS: ihashsize no longer used, option is deprecated.");
@@ -535,6 +544,7 @@ xfs_showargs(
                { XFS_MOUNT_FILESTREAMS,        "," MNTOPT_FILESTREAM },
                { XFS_MOUNT_DMAPI,              "," MNTOPT_DMAPI },
                { XFS_MOUNT_GRPID,              "," MNTOPT_GRPID },
+               { XFS_MOUNT_DELAYLOG,           "," MNTOPT_DELAYLOG },
                { 0, NULL }
        };
        static struct proc_xfs_info xfs_info_unset[] = {
@@ -725,7 +735,8 @@ void
 xfs_blkdev_issue_flush(
        xfs_buftarg_t           *buftarg)
 {
-       blkdev_issue_flush(buftarg->bt_bdev, NULL);
+       blkdev_issue_flush(buftarg->bt_bdev, GFP_KERNEL, NULL,
+                       BLKDEV_IFL_WAIT);
 }
 
 STATIC void
@@ -789,18 +800,18 @@ xfs_open_devices(
         * Setup xfs_mount buffer target pointers
         */
        error = ENOMEM;
-       mp->m_ddev_targp = xfs_alloc_buftarg(ddev, 0);
+       mp->m_ddev_targp = xfs_alloc_buftarg(ddev, 0, mp->m_fsname);
        if (!mp->m_ddev_targp)
                goto out_close_rtdev;
 
        if (rtdev) {
-               mp->m_rtdev_targp = xfs_alloc_buftarg(rtdev, 1);
+               mp->m_rtdev_targp = xfs_alloc_buftarg(rtdev, 1, mp->m_fsname);
                if (!mp->m_rtdev_targp)
                        goto out_free_ddev_targ;
        }
 
        if (logdev && logdev != ddev) {
-               mp->m_logdev_targp = xfs_alloc_buftarg(logdev, 1);
+               mp->m_logdev_targp = xfs_alloc_buftarg(logdev, 1, mp->m_fsname);
                if (!mp->m_logdev_targp)
                        goto out_free_rtdev_targ;
        } else {
@@ -902,7 +913,8 @@ xfsaild_start(
        struct xfs_ail  *ailp)
 {
        ailp->xa_target = 0;
-       ailp->xa_task = kthread_run(xfsaild, ailp, "xfsaild");
+       ailp->xa_task = kthread_run(xfsaild, ailp, "xfsaild/%s",
+                                   ailp->xa_mount->m_fsname);
        if (IS_ERR(ailp->xa_task))
                return -PTR_ERR(ailp->xa_task);
        return 0;
@@ -1092,6 +1104,7 @@ xfs_fs_write_inode(
                 * the code will only flush the inode if it isn't already
                 * being flushed.
                 */
+               xfs_ioend_wait(ip);
                xfs_ilock(ip, XFS_ILOCK_SHARED);
                if (ip->i_update_core) {
                        error = xfs_log_inode(ip);
@@ -1209,6 +1222,7 @@ xfs_fs_put_super(
 
        xfs_unmountfs(mp);
        xfs_freesb(mp);
+       xfs_inode_shrinker_unregister(mp);
        xfs_icsb_destroy_counters(mp);
        xfs_close_devices(mp);
        xfs_dmops_put(mp);
@@ -1622,6 +1636,8 @@ xfs_fs_fill_super(
        if (error)
                goto fail_vnrele;
 
+       xfs_inode_shrinker_register(mp);
+
        kfree(mtpt);
        return 0;
 
@@ -1749,7 +1765,7 @@ xfs_init_zones(void)
         * but it is much faster.
         */
        xfs_buf_item_zone = kmem_zone_init((sizeof(xfs_buf_log_item_t) +
-                               (((XFS_MAX_BLOCKSIZE / XFS_BLI_CHUNK) /
+                               (((XFS_MAX_BLOCKSIZE / XFS_BLF_CHUNK) /
                                  NBWORD) * sizeof(int))), "xfs_buf_item");
        if (!xfs_buf_item_zone)
                goto out_destroy_trans_zone;
@@ -1867,6 +1883,7 @@ init_xfs_fs(void)
                goto out_cleanup_procfs;
 
        vfs_initquota();
+       xfs_inode_shrinker_init();
 
        error = register_filesystem(&xfs_fs_type);
        if (error)
@@ -1894,6 +1911,7 @@ exit_xfs_fs(void)
 {
        vfs_exitquota();
        unregister_filesystem(&xfs_fs_type);
+       xfs_inode_shrinker_destroy();
        xfs_sysctl_unregister();
        xfs_cleanup_procfs();
        xfs_buf_terminate();