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path: root/fs/gfs2/super.c
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Diffstat (limited to 'fs/gfs2/super.c')
-rw-r--r--fs/gfs2/super.c86
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);