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authorChris Metcalf <cmetcalf@tilera.com>2011-03-17 14:14:12 -0400
committerChris Metcalf <cmetcalf@tilera.com>2011-03-17 14:14:12 -0400
commit325d1605542960903c88409b199734a3d8fc6612 (patch)
tree9d8eeed393a3b5dcadd1ddb6b76634b464fd6bc7 /fs/xfs
parent3c5ead52ed68406c0ee789024c4ae581be8bcee4 (diff)
parent521cb40b0c44418a4fd36dc633f575813d59a43d (diff)
Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/linux-2.6/xfs_discard.c2
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl.c11
-rw-r--r--fs/xfs/xfs_fsops.c3
3 files changed, 13 insertions, 3 deletions
diff --git a/fs/xfs/linux-2.6/xfs_discard.c b/fs/xfs/linux-2.6/xfs_discard.c
index 05201ae719e..d61611c8801 100644
--- a/fs/xfs/linux-2.6/xfs_discard.c
+++ b/fs/xfs/linux-2.6/xfs_discard.c
@@ -152,6 +152,8 @@ xfs_ioc_trim(
if (!capable(CAP_SYS_ADMIN))
return -XFS_ERROR(EPERM);
+ if (!blk_queue_discard(q))
+ return -XFS_ERROR(EOPNOTSUPP);
if (copy_from_user(&range, urange, sizeof(range)))
return -XFS_ERROR(EFAULT);
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index f5e2a19e0f8..0ca0e3c024d 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -695,14 +695,19 @@ xfs_ioc_fsgeometry_v1(
xfs_mount_t *mp,
void __user *arg)
{
- xfs_fsop_geom_v1_t fsgeo;
+ xfs_fsop_geom_t fsgeo;
int error;
- error = xfs_fs_geometry(mp, (xfs_fsop_geom_t *)&fsgeo, 3);
+ error = xfs_fs_geometry(mp, &fsgeo, 3);
if (error)
return -error;
- if (copy_to_user(arg, &fsgeo, sizeof(fsgeo)))
+ /*
+ * Caller should have passed an argument of type
+ * xfs_fsop_geom_v1_t. This is a proper subset of the
+ * xfs_fsop_geom_t that xfs_fs_geometry() fills in.
+ */
+ if (copy_to_user(arg, &fsgeo, sizeof(xfs_fsop_geom_v1_t)))
return -XFS_ERROR(EFAULT);
return 0;
}
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index cec89dd5d7d..85668efb3e3 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -53,6 +53,9 @@ xfs_fs_geometry(
xfs_fsop_geom_t *geo,
int new_version)
{
+
+ memset(geo, 0, sizeof(*geo));
+
geo->blocksize = mp->m_sb.sb_blocksize;
geo->rtextsize = mp->m_sb.sb_rextsize;
geo->agblocks = mp->m_sb.sb_agblocks;