1 files changed, 68 insertions, 18 deletions

diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 0a6801336470..0ec3ec672de1 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -38,7 +38,7 @@
 #include "trans.h"
 #include "util.h"
 #include "sys.h"
-#include "eattr.h"
+#include "xattr.h"
 
 #define args_neq(a1, a2, x) ((a1)->ar_##x != (a2)->ar_##x)
 
@@ -68,6 +68,8 @@ enum {
         Opt_discard,
         Opt_nodiscard,
         Opt_commit,
+        Opt_err_withdraw,
+        Opt_err_panic,
         Opt_error,
 };
 
@@ -97,6 +99,8 @@ static const match_table_t tokens = {
         {Opt_discard, "discard"},
         {Opt_nodiscard, "nodiscard"},
         {Opt_commit, "commit=%d"},
+        {Opt_err_withdraw, "errors=withdraw"},
+        {Opt_err_panic, "errors=panic"},
         {Opt_error, NULL}
 };
 
@@ -152,6 +156,11 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *options)
                         args->ar_localcaching = 1;
                         break;
                 case Opt_debug:
+                        if (args->ar_errors == GFS2_ERRORS_PANIC) {
+                                fs_info(sdp, "-o debug and -o errors=panic "
+                                       "are mutually exclusive.\n");
+                                return -EINVAL;
+                        }
                         args->ar_debug = 1;
                         break;
                 case Opt_nodebug:
@@ -205,6 +214,17 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *options)
                                 return rv ? rv : -EINVAL;
                         }
                         break;
+                case Opt_err_withdraw:
+                        args->ar_errors = GFS2_ERRORS_WITHDRAW;
+                        break;
+                case Opt_err_panic:
+                        if (args->ar_debug) {
+                                fs_info(sdp, "-o debug and -o errors=panic "
+                                        "are mutually exclusive.\n");
+                                return -EINVAL;
+                        }
+                        args->ar_errors = GFS2_ERRORS_PANIC;
+                        break;
                 case Opt_error:
                 default:
                         fs_info(sdp, "invalid mount option: %s\n", o);
@@ -353,7 +373,7 @@ fail:
         return error;
 }
 
-static void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf)
+void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf)
 {
         const struct gfs2_statfs_change *str = buf;
 
@@ -441,6 +461,29 @@ void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
         brelse(l_bh);
 }
 
+void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
+                   struct buffer_head *l_bh)
+{
+        struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
+        struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);
+        struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
+        struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
+
+        gfs2_trans_add_bh(l_ip->i_gl, l_bh, 1);
+
+        spin_lock(&sdp->sd_statfs_spin);
+        m_sc->sc_total += l_sc->sc_total;
+        m_sc->sc_free += l_sc->sc_free;
+        m_sc->sc_dinodes += l_sc->sc_dinodes;
+        memset(l_sc, 0, sizeof(struct gfs2_statfs_change));
+        memset(l_bh->b_data + sizeof(struct gfs2_dinode),
+               0, sizeof(struct gfs2_statfs_change));
+        spin_unlock(&sdp->sd_statfs_spin);
+
+        gfs2_trans_add_bh(m_ip->i_gl, m_bh, 1);
+        gfs2_statfs_change_out(m_sc, m_bh->b_data + sizeof(struct gfs2_dinode));
+}
+
 int gfs2_statfs_sync(struct gfs2_sbd *sdp)
 {
         struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
@@ -477,19 +520,7 @@ int gfs2_statfs_sync(struct gfs2_sbd *sdp)
         if (error)
                 goto out_bh2;
 
-        gfs2_trans_add_bh(l_ip->i_gl, l_bh, 1);
-
-        spin_lock(&sdp->sd_statfs_spin);
-        m_sc->sc_total += l_sc->sc_total;
-        m_sc->sc_free += l_sc->sc_free;
-        m_sc->sc_dinodes += l_sc->sc_dinodes;
-        memset(l_sc, 0, sizeof(struct gfs2_statfs_change));
-        memset(l_bh->b_data + sizeof(struct gfs2_dinode),
-               0, sizeof(struct gfs2_statfs_change));
-        spin_unlock(&sdp->sd_statfs_spin);
-
-        gfs2_trans_add_bh(m_ip->i_gl, m_bh, 1);
-        gfs2_statfs_change_out(m_sc, m_bh->b_data + sizeof(struct gfs2_dinode));
+        update_statfs(sdp, m_bh, l_bh);
 
         gfs2_trans_end(sdp);
 
@@ -680,6 +711,7 @@ static int gfs2_make_fs_ro(struct gfs2_sbd *sdp)
         struct gfs2_holder t_gh;
         int error;
 
+        flush_workqueue(gfs2_delete_workqueue);
         gfs2_quota_sync(sdp);
         gfs2_statfs_sync(sdp);
 
@@ -756,7 +788,6 @@ restart:
         /*  Release stuff  */
 
         iput(sdp->sd_jindex);
-        iput(sdp->sd_inum_inode);
         iput(sdp->sd_statfs_inode);
         iput(sdp->sd_rindex);
         iput(sdp->sd_quota_inode);
@@ -767,10 +798,8 @@ restart:
         if (!sdp->sd_args.ar_spectator) {
                 gfs2_glock_dq_uninit(&sdp->sd_journal_gh);
                 gfs2_glock_dq_uninit(&sdp->sd_jinode_gh);
-                gfs2_glock_dq_uninit(&sdp->sd_ir_gh);
                 gfs2_glock_dq_uninit(&sdp->sd_sc_gh);
                 gfs2_glock_dq_uninit(&sdp->sd_qc_gh);
-                iput(sdp->sd_ir_inode);
                 iput(sdp->sd_sc_inode);
                 iput(sdp->sd_qc_inode);
         }
@@ -1072,6 +1101,7 @@ static int gfs2_remount_fs(struct super_block *sb, int *flags, char *data)
         gt->gt_log_flush_secs = args.ar_commit;
         spin_unlock(&gt->gt_spin);
 
+        gfs2_online_uevent(sdp);
         return 0;
 }
 
@@ -1213,6 +1243,22 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
         lfsecs = sdp->sd_tune.gt_log_flush_secs;
         if (lfsecs != 60)
                 seq_printf(s, ",commit=%d", lfsecs);
+        if (args->ar_errors != GFS2_ERRORS_DEFAULT) {
+                const char *state;
+
+                switch (args->ar_errors) {
+                case GFS2_ERRORS_WITHDRAW:
+                        state = "withdraw";
+                        break;
+                case GFS2_ERRORS_PANIC:
+                        state = "panic";
+                        break;
+                default:
+                        state = "unknown";
+                        break;
+                }
+                seq_printf(s, ",errors=%s", state);
+        }
         return 0;
 }
 
@@ -1240,6 +1286,10 @@ static void gfs2_delete_inode(struct inode *inode)
                 goto out;
         }
 
+        error = gfs2_check_blk_type(sdp, ip->i_no_addr, GFS2_BLKST_UNLINKED);
+        if (error)
+                goto out_truncate;
+
         gfs2_glock_dq_wait(&ip->i_iopen_gh);
         gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, &ip->i_iopen_gh);
         error = gfs2_glock_nq(&ip->i_iopen_gh);