Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  MIPS: IP27: Enable RAID5 module
  MIPS: TXx9: update defconfigs
  MIPS: NEC VR5500 processor support fixup
  MIPS: Fix build of non-CONFIG_SYSVIPC version of sys_32_ipc

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index cb329ed..aa1016b 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -34,6 +34,12 @@
 #include <linux/backing-dev.h>
 #include <linux/freezer.h>
 
+#include "xfs_sb.h"
+#include "xfs_inum.h"
+#include "xfs_ag.h"
+#include "xfs_dmapi.h"
+#include "xfs_mount.h"
+
 static kmem_zone_t *xfs_buf_zone;
 STATIC int xfsbufd(void *);
 STATIC int xfsbufd_wakeup(int, gfp_t);
@@ -1435,10 +1441,12 @@ xfs_unregister_buftarg(
 
 void
 xfs_free_buftarg(
-       xfs_buftarg_t           *btp)
+       struct xfs_mount        *mp,
+       struct xfs_buftarg      *btp)
 {
        xfs_flush_buftarg(btp, 1);
-       xfs_blkdev_issue_flush(btp);
+       if (mp->m_flags & XFS_MOUNT_BARRIER)
+               xfs_blkdev_issue_flush(btp);
        xfs_free_bufhash(btp);
        iput(btp->bt_mapping->host);
 

diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index 288ae7c..9b4d666 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -413,7 +413,7 @@ static inline int XFS_bwrite(xfs_buf_t *bp)
  *     Handling of buftargs.
  */
 extern xfs_buftarg_t *xfs_alloc_buftarg(struct block_device *, int);
-extern void xfs_free_buftarg(xfs_buftarg_t *);
+extern void xfs_free_buftarg(struct xfs_mount *, struct xfs_buftarg *);
 extern void xfs_wait_buftarg(xfs_buftarg_t *);
 extern int xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int, unsigned int);
 extern int xfs_flush_buftarg(xfs_buftarg_t *, int);

diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index c71e226..32ae502 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -734,15 +734,15 @@ xfs_close_devices(
 {
        if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) {
                struct block_device *logdev = mp->m_logdev_targp->bt_bdev;
-               xfs_free_buftarg(mp->m_logdev_targp);
+               xfs_free_buftarg(mp, mp->m_logdev_targp);
                xfs_blkdev_put(logdev);
        }
        if (mp->m_rtdev_targp) {
                struct block_device *rtdev = mp->m_rtdev_targp->bt_bdev;
-               xfs_free_buftarg(mp->m_rtdev_targp);
+               xfs_free_buftarg(mp, mp->m_rtdev_targp);
                xfs_blkdev_put(rtdev);
        }
-       xfs_free_buftarg(mp->m_ddev_targp);
+       xfs_free_buftarg(mp, mp->m_ddev_targp);
 }
 
 /*
@@ -811,9 +811,9 @@ xfs_open_devices(
 
  out_free_rtdev_targ:
        if (mp->m_rtdev_targp)
-               xfs_free_buftarg(mp->m_rtdev_targp);
+               xfs_free_buftarg(mp, mp->m_rtdev_targp);
  out_free_ddev_targ:
-       xfs_free_buftarg(mp->m_ddev_targp);
+       xfs_free_buftarg(mp, mp->m_ddev_targp);
  out_close_rtdev:
        if (rtdev)
                xfs_blkdev_put(rtdev);

diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index e2fb621..478e587 100644 (file)
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -246,9 +246,6 @@ xfs_iget_cache_miss(
                goto out_destroy;
        }
 
-       if (lock_flags)
-               xfs_ilock(ip, lock_flags);
-
        /*
         * Preload the radix tree so we can insert safely under the
         * write spinlock. Note that we cannot sleep inside the preload
@@ -256,7 +253,16 @@ xfs_iget_cache_miss(
         */
        if (radix_tree_preload(GFP_KERNEL)) {
                error = EAGAIN;
-               goto out_unlock;
+               goto out_destroy;
+       }
+
+       /*
+        * Because the inode hasn't been added to the radix-tree yet it can't
+        * be found by another thread, so we can do the non-sleeping lock here.
+        */
+       if (lock_flags) {
+               if (!xfs_ilock_nowait(ip, lock_flags))
+                       BUG();
        }
 
        mask = ~(((XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_inodelog)) - 1);
@@ -284,7 +290,6 @@ xfs_iget_cache_miss(
 out_preload_end:
        write_unlock(&pag->pag_ici_lock);
        radix_tree_preload_end();
-out_unlock:
        if (lock_flags)
                xfs_iunlock(ip, lock_flags);
 out_destroy:

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index b1047de..61af610 100644 (file)
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1455,10 +1455,19 @@ xlog_recover_add_to_trans(
        item = item->ri_prev;
 
        if (item->ri_total == 0) {              /* first region to be added */
-               item->ri_total  = in_f->ilf_size;
-               ASSERT(item->ri_total <= XLOG_MAX_REGIONS_IN_ITEM);
-               item->ri_buf = kmem_zalloc((item->ri_total *
-                                           sizeof(xfs_log_iovec_t)), KM_SLEEP);
+               if (in_f->ilf_size == 0 ||
+                   in_f->ilf_size > XLOG_MAX_REGIONS_IN_ITEM) {
+                       xlog_warn(
+       "XFS: bad number of regions (%d) in inode log format",
+                                 in_f->ilf_size);
+                       ASSERT(0);
+                       return XFS_ERROR(EIO);
+               }
+
+               item->ri_total = in_f->ilf_size;
+               item->ri_buf =
+                       kmem_zalloc(item->ri_total * sizeof(xfs_log_iovec_t),
+                                   KM_SLEEP);
        }
        ASSERT(item->ri_total > item->ri_cnt);
        /* Description region is ri_buf[0] */