From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/fs/gfs2/util.h | 100 ++++++++++++++++++++++++++++++++++++++------------
1 files changed, 76 insertions(+), 24 deletions(-)
diff --git a/kernel/fs/gfs2/util.h b/kernel/fs/gfs2/util.h
index 96ac4ab..aa37712 100644
--- a/kernel/fs/gfs2/util.h
+++ b/kernel/fs/gfs2/util.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
*/
#ifndef __UTIL_DOT_H__
@@ -39,41 +36,59 @@
} while (0)
-int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,
- const char *function, char *file, unsigned int line);
+void gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,
+ const char *function, char *file, unsigned int line,
+ bool delayed);
#define gfs2_assert_withdraw(sdp, assertion) \
-((likely(assertion)) ? 0 : gfs2_assert_withdraw_i((sdp), #assertion, \
- __func__, __FILE__, __LINE__))
+ ({ \
+ bool _bool = (assertion); \
+ if (unlikely(!_bool)) \
+ gfs2_assert_withdraw_i((sdp), #assertion, \
+ __func__, __FILE__, __LINE__, false); \
+ !_bool; \
+ })
+#define gfs2_assert_withdraw_delayed(sdp, assertion) \
+ ({ \
+ bool _bool = (assertion); \
+ if (unlikely(!_bool)) \
+ gfs2_assert_withdraw_i((sdp), #assertion, \
+ __func__, __FILE__, __LINE__, true); \
+ !_bool; \
+ })
-int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,
- const char *function, char *file, unsigned int line);
+void gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,
+ const char *function, char *file, unsigned int line);
#define gfs2_assert_warn(sdp, assertion) \
-((likely(assertion)) ? 0 : gfs2_assert_warn_i((sdp), #assertion, \
- __func__, __FILE__, __LINE__))
+ ({ \
+ bool _bool = (assertion); \
+ if (unlikely(!_bool)) \
+ gfs2_assert_warn_i((sdp), #assertion, \
+ __func__, __FILE__, __LINE__); \
+ !_bool; \
+ })
-
-int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide,
- const char *function, char *file, unsigned int line);
+void gfs2_consist_i(struct gfs2_sbd *sdp,
+ const char *function, char *file, unsigned int line);
#define gfs2_consist(sdp) \
-gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__)
+gfs2_consist_i((sdp), __func__, __FILE__, __LINE__)
-int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide,
- const char *function, char *file, unsigned int line);
+void gfs2_consist_inode_i(struct gfs2_inode *ip,
+ const char *function, char *file, unsigned int line);
#define gfs2_consist_inode(ip) \
-gfs2_consist_inode_i((ip), 0, __func__, __FILE__, __LINE__)
+gfs2_consist_inode_i((ip), __func__, __FILE__, __LINE__)
-int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide,
- const char *function, char *file, unsigned int line);
+void gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd,
+ const char *function, char *file, unsigned int line);
#define gfs2_consist_rgrpd(rgd) \
-gfs2_consist_rgrpd_i((rgd), 0, __func__, __FILE__, __LINE__)
+gfs2_consist_rgrpd_i((rgd), __func__, __FILE__, __LINE__)
int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
@@ -86,7 +101,7 @@
struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
u32 magic = be32_to_cpu(mh->mh_magic);
if (unlikely(magic != GFS2_MAGIC)) {
- pr_err("Magic number missing at %llu\n",
+ fs_err(sdp, "Magic number missing at %llu\n",
(unsigned long long)bh->b_blocknr);
return -EIO;
}
@@ -132,6 +147,12 @@
int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
char *file, unsigned int line);
+extern int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
+ bool verbose);
+extern int gfs2_freeze_lock(struct gfs2_sbd *sdp,
+ struct gfs2_holder *freeze_gh, int caller_flags);
+extern void gfs2_freeze_unlock(struct gfs2_holder *freeze_gh);
+
#define gfs2_io_error(sdp) \
gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__);
@@ -154,6 +175,7 @@
extern struct kmem_cache *gfs2_rgrpd_cachep;
extern struct kmem_cache *gfs2_quotad_cachep;
extern struct kmem_cache *gfs2_qadata_cachep;
+extern struct kmem_cache *gfs2_trans_cachep;
extern mempool_t *gfs2_page_pool;
extern struct workqueue_struct *gfs2_control_wq;
@@ -167,10 +189,40 @@
return x;
}
+/**
+ * gfs2_withdraw_delayed - withdraw as soon as possible without deadlocks
+ * @sdp: the superblock
+ */
+static inline void gfs2_withdraw_delayed(struct gfs2_sbd *sdp)
+{
+ set_bit(SDF_WITHDRAWING, &sdp->sd_flags);
+}
+
+/**
+ * gfs2_withdrawn - test whether the file system is withdrawing or withdrawn
+ * @sdp: the superblock
+ */
+static inline bool gfs2_withdrawn(struct gfs2_sbd *sdp)
+{
+ return test_bit(SDF_WITHDRAWN, &sdp->sd_flags) ||
+ test_bit(SDF_WITHDRAWING, &sdp->sd_flags);
+}
+
+/**
+ * gfs2_withdrawing - check if a withdraw is pending
+ * @sdp: the superblock
+ */
+static inline bool gfs2_withdrawing(struct gfs2_sbd *sdp)
+{
+ return test_bit(SDF_WITHDRAWING, &sdp->sd_flags) &&
+ !test_bit(SDF_WITHDRAWN, &sdp->sd_flags);
+}
+
#define gfs2_tune_get(sdp, field) \
gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
__printf(2, 3)
-int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...);
+void gfs2_lm(struct gfs2_sbd *sdp, const char *fmt, ...);
+int gfs2_withdraw(struct gfs2_sbd *sdp);
#endif /* __UTIL_DOT_H__ */
--
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