1 files changed, 14 insertions, 3 deletions

diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index b599e6be9ec1..432e82347ed6 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -44,6 +44,7 @@
 #include "xfs_trans_space.h"
 #include "xfs_rtalloc.h"
 #include "xfs_rw.h"
+#include "xfs_filestream.h"
 
 /*
  * File system operations
@@ -94,6 +95,8 @@ xfs_fs_geometry(
                                 XFS_FSOP_GEOM_FLAGS_DIRV2 : 0) |
                         (XFS_SB_VERSION_HASSECTOR(&mp->m_sb) ?
                                 XFS_FSOP_GEOM_FLAGS_SECTOR : 0) |
+                        (xfs_sb_version_haslazysbcount(&mp->m_sb) ?
+                                XFS_FSOP_GEOM_FLAGS_LAZYSB : 0) |
                         (XFS_SB_VERSION_HASATTR2(&mp->m_sb) ?
                                 XFS_FSOP_GEOM_FLAGS_ATTR2 : 0);
                 geo->logsectsize = XFS_SB_VERSION_HASSECTOR(&mp->m_sb) ?
@@ -140,6 +143,8 @@ xfs_growfs_data_private(
         pct = in->imaxpct;
         if (nb < mp->m_sb.sb_dblocks || pct < 0 || pct > 100)
                 return XFS_ERROR(EINVAL);
+        if ((error = xfs_sb_validate_fsb_count(&mp->m_sb, nb)))
+                return error;
         dpct = pct - mp->m_sb.sb_imax_pct;
         error = xfs_read_buf(mp, mp->m_ddev_targp,
                         XFS_FSB_TO_BB(mp, nb) - XFS_FSS_TO_BB(mp, 1),
@@ -161,6 +166,7 @@ xfs_growfs_data_private(
         new = nb - mp->m_sb.sb_dblocks;
         oagcount = mp->m_sb.sb_agcount;
         if (nagcount > oagcount) {
+                xfs_filestream_flush(mp);
                 down_write(&mp->m_peraglock);
                 mp->m_perag = kmem_realloc(mp->m_perag,
                         sizeof(xfs_perag_t) * nagcount,
@@ -173,6 +179,7 @@ xfs_growfs_data_private(
                 up_write(&mp->m_peraglock);
         }
         tp = xfs_trans_alloc(mp, XFS_TRANS_GROWFS);
+        tp->t_flags |= XFS_TRANS_RESERVE;
         if ((error = xfs_trans_reserve(tp, XFS_GROWFS_SPACE_RES(mp),
                         XFS_GROWDATA_LOG_RES(mp), 0, 0, 0))) {
                 xfs_trans_cancel(tp, 0);
@@ -328,6 +335,7 @@ xfs_growfs_data_private(
                 be32_add(&agf->agf_length, new);
                 ASSERT(be32_to_cpu(agf->agf_length) ==
                        be32_to_cpu(agi->agi_length));
+                xfs_alloc_log_agf(tp, bp, XFS_AGF_LENGTH);
                 /*
                  * Free the new space.
                  */
@@ -494,8 +502,9 @@ xfs_reserve_blocks(
         unsigned long           s;
 
         /* If inval is null, report current values and return */
-
         if (inval == (__uint64_t *)NULL) {
+                if (!outval)
+                        return EINVAL;
                 outval->resblks = mp->m_resblks;
                 outval->resblks_avail = mp->m_resblks_avail;
                 return 0;
@@ -558,8 +567,10 @@ retry:
                 }
         }
 out:
-        outval->resblks = mp->m_resblks;
-        outval->resblks_avail = mp->m_resblks_avail;
+        if (outval) {
+                outval->resblks = mp->m_resblks;
+                outval->resblks_avail = mp->m_resblks_avail;
+        }
         XFS_SB_UNLOCK(mp, s);
 
         if (fdblks_delta) {