1 files changed, 26 insertions, 55 deletions

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 15f5dd22fbb2..3c97c6463a4e 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -567,8 +567,6 @@ xfs_readsb(xfs_mount_t *mp, int flags)
 STATIC void
 xfs_mount_common(xfs_mount_t *mp, xfs_sb_t *sbp)
 {
-        int     i;
-
         mp->m_agfrotor = mp->m_agirotor = 0;
         spin_lock_init(&mp->m_agirotor_lock);
         mp->m_maxagi = mp->m_sb.sb_agcount;
@@ -577,12 +575,10 @@ xfs_mount_common(xfs_mount_t *mp, xfs_sb_t *sbp)
         mp->m_sectbb_log = sbp->sb_sectlog - BBSHIFT;
         mp->m_agno_log = xfs_highbit32(sbp->sb_agcount - 1) + 1;
         mp->m_agino_log = sbp->sb_inopblog + sbp->sb_agblklog;
-        mp->m_litino = sbp->sb_inodesize -
-                ((uint)sizeof(xfs_dinode_core_t) + (uint)sizeof(xfs_agino_t));
+        mp->m_litino = sbp->sb_inodesize - sizeof(struct xfs_dinode);
         mp->m_blockmask = sbp->sb_blocksize - 1;
         mp->m_blockwsize = sbp->sb_blocksize >> XFS_WORDLOG;
         mp->m_blockwmask = mp->m_blockwsize - 1;
-        INIT_LIST_HEAD(&mp->m_del_inodes);
 
         /*
          * Setup for attributes, in case they get created.
@@ -605,24 +601,20 @@ xfs_mount_common(xfs_mount_t *mp, xfs_sb_t *sbp)
         }
         ASSERT(mp->m_attroffset < XFS_LITINO(mp));
 
-        for (i = 0; i < 2; i++) {
-                mp->m_alloc_mxr[i] = XFS_BTREE_BLOCK_MAXRECS(sbp->sb_blocksize,
-                        xfs_alloc, i == 0);
-                mp->m_alloc_mnr[i] = XFS_BTREE_BLOCK_MINRECS(sbp->sb_blocksize,
-                        xfs_alloc, i == 0);
-        }
-        for (i = 0; i < 2; i++) {
-                mp->m_bmap_dmxr[i] = XFS_BTREE_BLOCK_MAXRECS(sbp->sb_blocksize,
-                        xfs_bmbt, i == 0);
-                mp->m_bmap_dmnr[i] = XFS_BTREE_BLOCK_MINRECS(sbp->sb_blocksize,
-                        xfs_bmbt, i == 0);
-        }
-        for (i = 0; i < 2; i++) {
-                mp->m_inobt_mxr[i] = XFS_BTREE_BLOCK_MAXRECS(sbp->sb_blocksize,
-                        xfs_inobt, i == 0);
-                mp->m_inobt_mnr[i] = XFS_BTREE_BLOCK_MINRECS(sbp->sb_blocksize,
-                        xfs_inobt, i == 0);
-        }
+        mp->m_alloc_mxr[0] = xfs_allocbt_maxrecs(mp, sbp->sb_blocksize, 1);
+        mp->m_alloc_mxr[1] = xfs_allocbt_maxrecs(mp, sbp->sb_blocksize, 0);
+        mp->m_alloc_mnr[0] = mp->m_alloc_mxr[0] / 2;
+        mp->m_alloc_mnr[1] = mp->m_alloc_mxr[1] / 2;
+
+        mp->m_inobt_mxr[0] = xfs_inobt_maxrecs(mp, sbp->sb_blocksize, 1);
+        mp->m_inobt_mxr[1] = xfs_inobt_maxrecs(mp, sbp->sb_blocksize, 0);
+        mp->m_inobt_mnr[0] = mp->m_inobt_mxr[0] / 2;
+        mp->m_inobt_mnr[1] = mp->m_inobt_mxr[1] / 2;
+
+        mp->m_bmap_dmxr[0] = xfs_bmbt_maxrecs(mp, sbp->sb_blocksize, 1);
+        mp->m_bmap_dmxr[1] = xfs_bmbt_maxrecs(mp, sbp->sb_blocksize, 0);
+        mp->m_bmap_dmnr[0] = mp->m_bmap_dmxr[0] / 2;
+        mp->m_bmap_dmnr[1] = mp->m_bmap_dmxr[1] / 2;
 
         mp->m_bsize = XFS_FSB_TO_BB(mp, 1);
         mp->m_ialloc_inos = (int)MAX((__uint16_t)XFS_INODES_PER_CHUNK,
@@ -1228,6 +1220,16 @@ xfs_unmountfs(
         __uint64_t              resblks;
         int                     error;
 
+        /*
+         * Release dquot that rootinode, rbmino and rsumino might be holding,
+         * and release the quota inodes.
+         */
+        XFS_QM_UNMOUNT(mp);
+
+        if (mp->m_rbmip)
+                IRELE(mp->m_rbmip);
+        if (mp->m_rsumip)
+                IRELE(mp->m_rsumip);
         IRELE(mp->m_rootip);
 
         /*
@@ -1241,7 +1243,7 @@ xfs_unmountfs(
          * need to force the log first.
          */
         xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC);
-        xfs_iflush_all(mp);
+        xfs_reclaim_inodes(mp, 0, XFS_IFLUSH_ASYNC);
 
         XFS_QM_DQPURGEALL(mp, XFS_QMOPT_QUOTALL | XFS_QMOPT_UMOUNTING);
 
@@ -1288,11 +1290,6 @@ xfs_unmountfs(
         xfs_unmountfs_wait(mp);                 /* wait for async bufs */
         xfs_log_unmount(mp);                    /* Done! No more fs ops. */
 
-        /*
-         * All inodes from this mount point should be freed.
-         */
-        ASSERT(mp->m_inodes == NULL);
-
         if ((mp->m_flags & XFS_MOUNT_NOUUID) == 0)
                 uuid_table_remove(&mp->m_sb.sb_uuid);
 
@@ -1365,24 +1362,6 @@ xfs_log_sbcount(
         return error;
 }
 
-STATIC void
-xfs_mark_shared_ro(
-        xfs_mount_t     *mp,
-        xfs_buf_t       *bp)
-{
-        xfs_dsb_t       *sb = XFS_BUF_TO_SBP(bp);
-        __uint16_t      version;
-
-        if (!(sb->sb_flags & XFS_SBF_READONLY))
-                sb->sb_flags |= XFS_SBF_READONLY;
-
-        version = be16_to_cpu(sb->sb_versionnum);
-        if ((version & XFS_SB_VERSION_NUMBITS) != XFS_SB_VERSION_4 ||
-            !(version & XFS_SB_VERSION_SHAREDBIT))
-                version |= XFS_SB_VERSION_SHAREDBIT;
-        sb->sb_versionnum = cpu_to_be16(version);
-}
-
 int
 xfs_unmountfs_writesb(xfs_mount_t *mp)
 {
@@ -1398,12 +1377,6 @@ xfs_unmountfs_writesb(xfs_mount_t *mp)
 
                 sbp = xfs_getsb(mp, 0);
 
-                /*
-                 * mark shared-readonly if desired
-                 */
-                if (mp->m_mk_sharedro)
-                        xfs_mark_shared_ro(mp, sbp);
-
                 XFS_BUF_UNDONE(sbp);
                 XFS_BUF_UNREAD(sbp);
                 XFS_BUF_UNDELAYWRITE(sbp);
@@ -1415,8 +1388,6 @@ xfs_unmountfs_writesb(xfs_mount_t *mp)
                 if (error)
                         xfs_ioerror_alert("xfs_unmountfs_writesb",
                                           mp, sbp, XFS_BUF_ADDR(sbp));
-                if (error && mp->m_mk_sharedro)
-                        xfs_fs_cmn_err(CE_ALERT, mp, "Superblock write error detected while unmounting.  Filesystem may not be marked shared readonly");
                 xfs_buf_relse(sbp);
         }
         return error;