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-rw-r--r--fs/gfs2/glock.c34
-rw-r--r--fs/gfs2/glock.h27
-rw-r--r--fs/gfs2/incore.h4
-rw-r--r--fs/gfs2/trans.c32
-rw-r--r--fs/gfs2/trans.h8
5 files changed, 52 insertions, 53 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 81b06812b32..6a1b42cf4df 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -16,6 +16,7 @@
#include <linux/sort.h>
#include <linux/jhash.h>
#include <linux/kref.h>
+#include <linux/kallsyms.h>
#include <linux/gfs2_ondisk.h>
#include <asm/semaphore.h>
#include <asm/uaccess.h>
@@ -357,6 +358,7 @@ void gfs2_holder_init(struct gfs2_glock *gl, unsigned int state, int flags,
{
INIT_LIST_HEAD(&gh->gh_list);
gh->gh_gl = gl;
+ gh->gh_ip = (unsigned long)__builtin_return_address(0);
gh->gh_owner = (flags & GL_NEVER_RECURSE) ? NULL : current;
gh->gh_state = state;
gh->gh_flags = flags;
@@ -388,6 +390,7 @@ void gfs2_holder_reinit(unsigned int state, int flags, struct gfs2_holder *gh)
gh->gh_flags |= GL_LOCAL_EXCL;
gh->gh_iflags &= 1 << HIF_ALLOCED;
+ gh->gh_ip = (unsigned long)__builtin_return_address(0);
}
/**
@@ -400,6 +403,7 @@ void gfs2_holder_uninit(struct gfs2_holder *gh)
{
gfs2_glock_put(gh->gh_gl);
gh->gh_gl = NULL;
+ gh->gh_ip = 0;
}
/**
@@ -427,7 +431,7 @@ struct gfs2_holder *gfs2_holder_get(struct gfs2_glock *gl, unsigned int state,
gfs2_holder_init(gl, state, flags, gh);
set_bit(HIF_ALLOCED, &gh->gh_iflags);
-
+ gh->gh_ip = (unsigned long)__builtin_return_address(0);
return gh;
}
@@ -1238,6 +1242,9 @@ static int recurse_check(struct gfs2_holder *existing, struct gfs2_holder *new,
return 0;
fail:
+ print_symbol(KERN_WARNING "GFS2: Existing holder from %s\n",
+ existing->gh_ip);
+ print_symbol(KERN_WARNING "GFS2: New holder from %s\n", new->gh_ip);
set_bit(HIF_ABORTED, &new->gh_iflags);
return -EINVAL;
}
@@ -1544,30 +1551,6 @@ int gfs2_glock_be_greedy(struct gfs2_glock *gl, unsigned int time)
}
/**
- * gfs2_glock_nq_init - intialize a holder and enqueue it on a glock
- * @gl: the glock
- * @state: the state we're requesting
- * @flags: the modifier flags
- * @gh: the holder structure
- *
- * Returns: 0, GLR_*, or errno
- */
-
-int gfs2_glock_nq_init(struct gfs2_glock *gl, unsigned int state, int flags,
- struct gfs2_holder *gh)
-{
- int error;
-
- gfs2_holder_init(gl, state, flags, gh);
-
- error = gfs2_glock_nq(gh);
- if (error)
- gfs2_holder_uninit(gh);
-
- return error;
-}
-
-/**
* gfs2_glock_dq_uninit - dequeue a holder from a glock and initialize it
* @gh: the holder structure
*
@@ -2334,6 +2317,7 @@ static int dump_holder(char *str, struct gfs2_holder *gh)
if (test_bit(x, &gh->gh_iflags))
printk(" %u", x);
printk(" \n");
+ print_symbol(KERN_INFO " initialized at: %s\n", gh->gh_ip);
error = 0;
diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index 06847ebebde..560029de8d0 100644
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -106,8 +106,6 @@ void gfs2_glock_force_drop(struct gfs2_glock *gl);
int gfs2_glock_be_greedy(struct gfs2_glock *gl, unsigned int time);
-int gfs2_glock_nq_init(struct gfs2_glock *gl, unsigned int state, int flags,
- struct gfs2_holder *gh);
void gfs2_glock_dq_uninit(struct gfs2_holder *gh);
int gfs2_glock_nq_num(struct gfs2_sbd *sdp,
uint64_t number, struct gfs2_glock_operations *glops,
@@ -121,6 +119,31 @@ void gfs2_glock_prefetch_num(struct gfs2_sbd *sdp, uint64_t number,
struct gfs2_glock_operations *glops,
unsigned int state, int flags);
+/**
+ * gfs2_glock_nq_init - intialize a holder and enqueue it on a glock
+ * @gl: the glock
+ * @state: the state we're requesting
+ * @flags: the modifier flags
+ * @gh: the holder structure
+ *
+ * Returns: 0, GLR_*, or errno
+ */
+
+static inline int gfs2_glock_nq_init(struct gfs2_glock *gl,
+ unsigned int state, int flags,
+ struct gfs2_holder *gh)
+{
+ int error;
+
+ gfs2_holder_init(gl, state, flags, gh);
+
+ error = gfs2_glock_nq(gh);
+ if (error)
+ gfs2_holder_uninit(gh);
+
+ return error;
+}
+
/* Lock Value Block functions */
int gfs2_lvb_hold(struct gfs2_glock *gl);
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 35163b56246..b5a994d1b5f 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -161,6 +161,7 @@ struct gfs2_holder {
int gh_error;
unsigned long gh_iflags;
struct completion gh_wait;
+ unsigned long gh_ip;
};
enum {
@@ -353,8 +354,7 @@ struct gfs2_log_buf {
};
struct gfs2_trans {
- char *tr_file;
- unsigned int tr_line;
+ unsigned long tr_ip;
unsigned int tr_blocks;
unsigned int tr_revokes;
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index aa1a619f085..3fae3d4e9ae 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -13,6 +13,7 @@
#include <linux/completion.h>
#include <linux/buffer_head.h>
#include <linux/gfs2_ondisk.h>
+#include <linux/kallsyms.h>
#include <asm/semaphore.h>
#include "gfs2.h"
@@ -25,24 +26,20 @@
#include "trans.h"
#include "util.h"
-int gfs2_trans_begin_i(struct gfs2_sbd *sdp, unsigned int blocks,
- unsigned int revokes, char *file, unsigned int line)
+int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
+ unsigned int revokes)
{
struct gfs2_trans *tr;
int error;
- if (gfs2_assert_warn(sdp, !current->journal_info) ||
- gfs2_assert_warn(sdp, blocks || revokes)) {
- fs_warn(sdp, "(%s, %u)\n", file, line);
- return -EINVAL;
- }
+ BUG_ON(current->journal_info);
+ BUG_ON(blocks == 0 && revokes == 0);
tr = kzalloc(sizeof(struct gfs2_trans), GFP_NOFS);
if (!tr)
return -ENOMEM;
- tr->tr_file = file;
- tr->tr_line = line;
+ tr->tr_ip = (unsigned long)__builtin_return_address(0);
tr->tr_blocks = blocks;
tr->tr_revokes = revokes;
tr->tr_reserved = 1;
@@ -104,16 +101,15 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
return;
}
- if (gfs2_assert_withdraw(sdp, tr->tr_num_buf <= tr->tr_blocks))
- fs_err(sdp, "tr_num_buf = %u, tr_blocks = %u "
- "tr_file = %s, tr_line = %u\n",
- tr->tr_num_buf, tr->tr_blocks,
- tr->tr_file, tr->tr_line);
+ if (gfs2_assert_withdraw(sdp, tr->tr_num_buf <= tr->tr_blocks)) {
+ fs_err(sdp, "tr_num_buf = %u, tr_blocks = %u ",
+ tr->tr_num_buf, tr->tr_blocks);
+ print_symbol(KERN_WARNING "GFS2: Transaction created at: %s\n", tr->tr_ip);
+ }
if (gfs2_assert_withdraw(sdp, tr->tr_num_revoke <= tr->tr_revokes))
- fs_err(sdp, "tr_num_revoke = %u, tr_revokes = %u "
- "tr_file = %s, tr_line = %u\n",
- tr->tr_num_revoke, tr->tr_revokes,
- tr->tr_file, tr->tr_line);
+ fs_err(sdp, "tr_num_revoke = %u, tr_revokes = %u ",
+ tr->tr_num_revoke, tr->tr_revokes);
+ print_symbol(KERN_WARNING "GFS2: Transaction created at: %s\n", tr->tr_ip);
gfs2_log_commit(sdp, tr);
diff --git a/fs/gfs2/trans.h b/fs/gfs2/trans.h
index f7f3e2a3d59..6b5e9e8bf56 100644
--- a/fs/gfs2/trans.h
+++ b/fs/gfs2/trans.h
@@ -21,12 +21,8 @@
#define RES_STATFS 1
#define RES_QUOTA 2
-#define gfs2_trans_begin(sdp, blocks, revokes) \
-gfs2_trans_begin_i((sdp), (blocks), (revokes), __FILE__, __LINE__)
-
-int gfs2_trans_begin_i(struct gfs2_sbd *sdp,
- unsigned int blocks, unsigned int revokes,
- char *file, unsigned int line);
+int gfs2_trans_begin(struct gfs2_sbd *sdp,
+ unsigned int blocks, unsigned int revokes);
void gfs2_trans_end(struct gfs2_sbd *sdp);
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-23 10:40:28 +0000