xfs: use WRITE_SYNC_PLUG for synchronous writeout

[safe/jmp/linux-2.6] / fs / xfs / xfs_inode.c

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index be2ca4d..b92a4fa 100644 (file)
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -49,7 +49,6 @@
 #include "xfs_utils.h"
 #include "xfs_dir2_trace.h"
 #include "xfs_quota.h"
-#include "xfs_acl.h"
 #include "xfs_filestream.h"
 #include "xfs_vnodeops.h"
 
@@ -344,6 +343,16 @@ xfs_iformat(
                return XFS_ERROR(EFSCORRUPTED);
        }
 
+       if (unlikely((ip->i_d.di_flags & XFS_DIFLAG_REALTIME) &&
+                    !ip->i_mount->m_rtdev_targp)) {
+               xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount,
+                       "corrupt dinode %Lu, has realtime flag set.",
+                       ip->i_ino);
+               XFS_CORRUPTION_ERROR("xfs_iformat(realtime)",
+                                    XFS_ERRLEVEL_LOW, ip->i_mount, dip);
+               return XFS_ERROR(EFSCORRUPTED);
+       }
+
        switch (ip->i_d.di_mode & S_IFMT) {
        case S_IFIFO:
        case S_IFCHR:
@@ -424,6 +433,19 @@ xfs_iformat(
        case XFS_DINODE_FMT_LOCAL:
                atp = (xfs_attr_shortform_t *)XFS_DFORK_APTR(dip);
                size = be16_to_cpu(atp->hdr.totsize);
+
+               if (unlikely(size < sizeof(struct xfs_attr_sf_hdr))) {
+                       xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount,
+                               "corrupt inode %Lu "
+                               "(bad attr fork size %Ld).",
+                               (unsigned long long) ip->i_ino,
+                               (long long) size);
+                       XFS_CORRUPTION_ERROR("xfs_iformat(8)",
+                                            XFS_ERRLEVEL_LOW,
+                                            ip->i_mount, dip);
+                       return XFS_ERROR(EFSCORRUPTED);
+               }
+
                error = xfs_iformat_local(ip, dip, XFS_ATTR_FORK, size);
                break;
        case XFS_DINODE_FMT_EXTENTS:
@@ -629,7 +651,7 @@ xfs_iformat_btree(
        return 0;
 }
 
-void
+STATIC void
 xfs_dinode_from_disk(
        xfs_icdinode_t          *to,
        xfs_dinode_t            *from)
@@ -1225,7 +1247,7 @@ xfs_isize_check(
  * In that case the pages will still be in memory, but the inode size
  * will never have been updated.
  */
-xfs_fsize_t
+STATIC xfs_fsize_t
 xfs_file_last_byte(
        xfs_inode_t     *ip)
 {
@@ -1245,8 +1267,10 @@ xfs_file_last_byte(
         * necessary.
         */
        if (ip->i_df.if_flags & XFS_IFEXTENTS) {
+               xfs_ilock(ip, XFS_ILOCK_SHARED);
                error = xfs_bmap_last_offset(NULL, ip, &last_block,
                        XFS_DATA_FORK);
+               xfs_iunlock(ip, XFS_ILOCK_SHARED);
                if (error) {
                        last_block = 0;
                }
@@ -3044,9 +3068,9 @@ xfs_iflush_int(
        SYNCHRONIZE();
 
        /*
-        * Make sure to get the latest atime from the Linux inode.
+        * Make sure to get the latest timestamps from the Linux inode.
         */
-       xfs_synchronize_atime(ip);
+       xfs_synchronize_times(ip);
 
        if (XFS_TEST_ERROR(be16_to_cpu(dip->di_magic) != XFS_DINODE_MAGIC,
                               mp, XFS_ERRTAG_IFLUSH_1, XFS_RANDOM_IFLUSH_1)) {
@@ -3813,7 +3837,7 @@ xfs_iext_inline_to_direct(
 /*
  * Resize an extent indirection array to new_size bytes.
  */
-void
+STATIC void
 xfs_iext_realloc_indirect(
        xfs_ifork_t     *ifp,           /* inode fork pointer */
        int             new_size)       /* new indirection array size */
@@ -3838,7 +3862,7 @@ xfs_iext_realloc_indirect(
 /*
  * Switch from indirection array to linear (direct) extent allocations.
  */
-void
+STATIC void
 xfs_iext_indirect_to_direct(
         xfs_ifork_t    *ifp)           /* inode fork pointer */
 {