/home/lenb/src/to-linus branch 'acpi-2.6.12'

[linux-2.6] / fs / xfs / linux-2.6 / xfs_lrw.c

diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 46b61a859af425fffa76d4bdc41a62614d84ec29..acab58c48043bd77c471c724090fbfe0156b120b 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -280,10 +280,11 @@ xfs_read(
        if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ) &&
            !(ioflags & IO_INVIS)) {
                vrwlock_t locktype = VRWLOCK_READ;
+               int dmflags = FILP_DELAY_FLAG(file) | DM_SEM_FLAG_RD(ioflags);
 
                ret = -XFS_SEND_DATA(mp, DM_EVENT_READ,
                                        BHV_TO_VNODE(bdp), *offset, size,
-                                       FILP_DELAY_FLAG(file), &locktype);
+                                       dmflags, &locktype);
                if (ret) {
                        xfs_iunlock(ip, XFS_IOLOCK_SHARED);
                        goto unlock_isem;
@@ -843,11 +844,15 @@ retry:
            !(ioflags & IO_INVIS)) {
 
                xfs_rwunlock(bdp, locktype);
+               if (need_isem)
+                       up(&inode->i_sem);
                error = XFS_SEND_NAMESP(xip->i_mount, DM_EVENT_NOSPACE, vp,
                                DM_RIGHT_NULL, vp, DM_RIGHT_NULL, NULL, NULL,
                                0, 0, 0); /* Delay flag intentionally  unused */
                if (error)
-                       goto out_unlock_isem;
+                       goto out_nounlocks;
+               if (need_isem)
+                       down(&inode->i_sem);
                xfs_rwlock(bdp, locktype);
                pos = xip->i_d.di_size;
                ret = 0;
@@ -962,6 +967,7 @@ retry:
  out_unlock_isem:
        if (need_isem)
                up(&inode->i_sem);
+ out_nounlocks:
        return -error;
 }