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-rw-r--r--fs/xfs/linux-2.6/xfs_sysctl.c23
-rw-r--r--fs/xfs/support/debug.c109
-rw-r--r--fs/xfs/support/debug.h25
-rw-r--r--fs/xfs/xfs_error.c31
-rw-r--r--fs/xfs/xfs_error.h18
-rw-r--r--fs/xfs/xfs_log.c2
-rw-r--r--fs/xfs/xfs_log_recover.c2
7 files changed, 96 insertions, 114 deletions
diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c
index 7bb5092d6ae4..ee3cee097e7e 100644
--- a/fs/xfs/linux-2.6/xfs_sysctl.c
+++ b/fs/xfs/linux-2.6/xfs_sysctl.c
@@ -18,6 +18,7 @@
#include "xfs.h"
#include <linux/sysctl.h>
#include <linux/proc_fs.h>
+#include "xfs_error.h"
static struct ctl_table_header *xfs_table_header;
@@ -51,6 +52,26 @@ xfs_stats_clear_proc_handler(
return ret;
}
+
+STATIC int
+xfs_panic_mask_proc_handler(
+ ctl_table *ctl,
+ int write,
+ void __user *buffer,
+ size_t *lenp,
+ loff_t *ppos)
+{
+ int ret, *valp = ctl->data;
+
+ ret = proc_dointvec_minmax(ctl, write, buffer, lenp, ppos);
+ if (!ret && write) {
+ xfs_panic_mask = *valp;
+#ifdef DEBUG
+ xfs_panic_mask |= (XFS_PTAG_SHUTDOWN_CORRUPT | XFS_PTAG_LOGRES);
+#endif
+ }
+ return ret;
+}
#endif /* CONFIG_PROC_FS */
static ctl_table xfs_table[] = {
@@ -77,7 +98,7 @@ static ctl_table xfs_table[] = {
.data = &xfs_params.panic_mask.val,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec_minmax,
+ .proc_handler = xfs_panic_mask_proc_handler,
.extra1 = &xfs_params.panic_mask.min,
.extra2 = &xfs_params.panic_mask.max
},
diff --git a/fs/xfs/support/debug.c b/fs/xfs/support/debug.c
index 86162e5f9a21..e6cf955ec0fc 100644
--- a/fs/xfs/support/debug.c
+++ b/fs/xfs/support/debug.c
@@ -25,80 +25,71 @@
#include "xfs_mount.h"
#include "xfs_error.h"
-static char message[1024]; /* keep it off the stack */
-static DEFINE_SPINLOCK(xfs_err_lock);
-
-/* Translate from CE_FOO to KERN_FOO, err_level(CE_FOO) == KERN_FOO */
-#define XFS_MAX_ERR_LEVEL 7
-#define XFS_ERR_MASK ((1 << 3) - 1)
-static const char * const err_level[XFS_MAX_ERR_LEVEL+1] =
- {KERN_EMERG, KERN_ALERT, KERN_CRIT,
- KERN_ERR, KERN_WARNING, KERN_NOTICE,
- KERN_INFO, KERN_DEBUG};
-
void
-cmn_err(register int level, char *fmt, ...)
+cmn_err(
+ const char *lvl,
+ const char *fmt,
+ ...)
{
- char *fp = fmt;
- int len;
- ulong flags;
- va_list ap;
-
- level &= XFS_ERR_MASK;
- if (level > XFS_MAX_ERR_LEVEL)
- level = XFS_MAX_ERR_LEVEL;
- spin_lock_irqsave(&xfs_err_lock,flags);
- va_start(ap, fmt);
- if (*fmt == '!') fp++;
- len = vsnprintf(message, sizeof(message), fp, ap);
- if (len >= sizeof(message))
- len = sizeof(message) - 1;
- if (message[len-1] == '\n')
- message[len-1] = 0;
- printk("%s%s\n", err_level[level], message);
- va_end(ap);
- spin_unlock_irqrestore(&xfs_err_lock,flags);
- BUG_ON(level == CE_PANIC);
+ struct va_format vaf;
+ va_list args;
+
+ va_start(args, fmt);
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ printk("%s%pV", lvl, &vaf);
+ va_end(args);
+
+ BUG_ON(strncmp(lvl, KERN_EMERG, strlen(KERN_EMERG)) == 0);
}
void
-xfs_fs_vcmn_err(
- int level,
+xfs_fs_cmn_err(
+ const char *lvl,
struct xfs_mount *mp,
- char *fmt,
- va_list ap)
+ const char *fmt,
+ ...)
{
- unsigned long flags;
- int len = 0;
+ struct va_format vaf;
+ va_list args;
- level &= XFS_ERR_MASK;
- if (level > XFS_MAX_ERR_LEVEL)
- level = XFS_MAX_ERR_LEVEL;
+ va_start(args, fmt);
+ vaf.fmt = fmt;
+ vaf.va = &args;
- spin_lock_irqsave(&xfs_err_lock,flags);
+ printk("%sFilesystem %s: %pV", lvl, mp->m_fsname, &vaf);
+ va_end(args);
- if (mp) {
- len = sprintf(message, "Filesystem \"%s\": ", mp->m_fsname);
+ BUG_ON(strncmp(lvl, KERN_EMERG, strlen(KERN_EMERG)) == 0);
+}
+
+/* All callers to xfs_cmn_err use CE_ALERT, so don't bother testing lvl */
+void
+xfs_cmn_err(
+ int panic_tag,
+ const char *lvl,
+ struct xfs_mount *mp,
+ const char *fmt,
+ ...)
+{
+ struct va_format vaf;
+ va_list args;
+ int panic = 0;
- /*
- * Skip the printk if we can't print anything useful
- * due to an over-long device name.
- */
- if (len >= sizeof(message))
- goto out;
+ if (xfs_panic_mask && (xfs_panic_mask & panic_tag)) {
+ printk(KERN_ALERT "XFS: Transforming an alert into a BUG.");
+ panic = 1;
}
- len = vsnprintf(message + len, sizeof(message) - len, fmt, ap);
- if (len >= sizeof(message))
- len = sizeof(message) - 1;
- if (message[len-1] == '\n')
- message[len-1] = 0;
+ va_start(args, fmt);
+ vaf.fmt = fmt;
+ vaf.va = &args;
- printk("%s%s\n", err_level[level], message);
- out:
- spin_unlock_irqrestore(&xfs_err_lock,flags);
+ printk(KERN_ALERT "Filesystem %s: %pV", mp->m_fsname, &vaf);
+ va_end(args);
- BUG_ON(level == CE_PANIC);
+ BUG_ON(panic);
}
void
diff --git a/fs/xfs/support/debug.h b/fs/xfs/support/debug.h
index d2d20462fd4f..05699f67d475 100644
--- a/fs/xfs/support/debug.h
+++ b/fs/xfs/support/debug.h
@@ -20,15 +20,22 @@
#include <stdarg.h>
-#define CE_DEBUG 7 /* debug */
-#define CE_CONT 6 /* continuation */
-#define CE_NOTE 5 /* notice */
-#define CE_WARN 4 /* warning */
-#define CE_ALERT 1 /* alert */
-#define CE_PANIC 0 /* panic */
-
-extern void cmn_err(int, char *, ...)
- __attribute__ ((format (printf, 2, 3)));
+struct xfs_mount;
+
+#define CE_DEBUG KERN_DEBUG
+#define CE_CONT KERN_INFO
+#define CE_NOTE KERN_NOTICE
+#define CE_WARN KERN_WARNING
+#define CE_ALERT KERN_ALERT
+#define CE_PANIC KERN_EMERG
+
+void cmn_err(const char *lvl, const char *fmt, ...)
+ __attribute__ ((format (printf, 2, 3)));
+void xfs_fs_cmn_err( const char *lvl, struct xfs_mount *mp,
+ const char *fmt, ...) __attribute__ ((format (printf, 3, 4)));
+void xfs_cmn_err( int panic_tag, const char *lvl, struct xfs_mount *mp,
+ const char *fmt, ...) __attribute__ ((format (printf, 4, 5)));
+
extern void assfail(char *expr, char *f, int l);
#define ASSERT_ALWAYS(expr) \
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index c78cc6a3d87c..4c7db74a05f7 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -152,37 +152,6 @@ xfs_errortag_clearall(xfs_mount_t *mp, int loud)
}
#endif /* DEBUG */
-
-void
-xfs_fs_cmn_err(int level, xfs_mount_t *mp, char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- xfs_fs_vcmn_err(level, mp, fmt, ap);
- va_end(ap);
-}
-
-void
-xfs_cmn_err(int panic_tag, int level, xfs_mount_t *mp, char *fmt, ...)
-{
- va_list ap;
-
-#ifdef DEBUG
- xfs_panic_mask |= (XFS_PTAG_SHUTDOWN_CORRUPT | XFS_PTAG_LOGRES);
-#endif
-
- if (xfs_panic_mask && (xfs_panic_mask & panic_tag)
- && (level & CE_ALERT)) {
- level &= ~CE_ALERT;
- level |= CE_PANIC;
- cmn_err(CE_ALERT, "XFS: Transforming an alert into a BUG.");
- }
- va_start(ap, fmt);
- xfs_fs_vcmn_err(level, mp, fmt, ap);
- va_end(ap);
-}
-
void
xfs_error_report(
const char *tag,
diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h
index f338847f80b8..10dce5475f02 100644
--- a/fs/xfs/xfs_error.h
+++ b/fs/xfs/xfs_error.h
@@ -136,8 +136,8 @@ extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
(rf))))
-extern int xfs_errortag_add(int error_tag, xfs_mount_t *mp);
-extern int xfs_errortag_clearall(xfs_mount_t *mp, int loud);
+extern int xfs_errortag_add(int error_tag, struct xfs_mount *mp);
+extern int xfs_errortag_clearall(struct xfs_mount *mp, int loud);
#else
#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)
#define xfs_errortag_add(tag, mp) (ENOSYS)
@@ -162,21 +162,15 @@ extern int xfs_errortag_clearall(xfs_mount_t *mp, int loud);
struct xfs_mount;
-extern void xfs_fs_vcmn_err(int level, struct xfs_mount *mp,
- char *fmt, va_list ap)
- __attribute__ ((format (printf, 3, 0)));
-extern void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp,
- char *fmt, ...)
- __attribute__ ((format (printf, 4, 5)));
-extern void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...)
- __attribute__ ((format (printf, 3, 4)));
-
extern void xfs_hex_dump(void *p, int length);
#define xfs_fs_repair_cmn_err(level, mp, fmt, args...) \
xfs_fs_cmn_err(level, mp, fmt " Unmount and run xfs_repair.", ## args)
#define xfs_fs_mount_cmn_err(f, fmt, args...) \
- ((f & XFS_MFSI_QUIET)? (void)0 : cmn_err(CE_WARN, "XFS: " fmt, ## args))
+ do { \
+ if (!(f & XFS_MFSI_QUIET)) \
+ cmn_err(CE_WARN, "XFS: " fmt, ## args); \
+ } while (0)
#endif /* __XFS_ERROR_H__ */
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 0bf24b11d0c4..ae6fef1ff563 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -377,7 +377,7 @@ xfs_log_mount(
cmn_err(CE_NOTE, "XFS mounting filesystem %s", mp->m_fsname);
else {
cmn_err(CE_NOTE,
- "!Mounting filesystem \"%s\" in no-recovery mode. Filesystem will be inconsistent.",
+ "Mounting filesystem \"%s\" in no-recovery mode. Filesystem will be inconsistent.",
mp->m_fsname);
ASSERT(mp->m_flags & XFS_MOUNT_RDONLY);
}
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 204d8e5fa7fa..aa0ebb776903 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -3800,7 +3800,7 @@ xlog_recover_finish(
log->l_flags &= ~XLOG_RECOVERY_NEEDED;
} else {
cmn_err(CE_DEBUG,
- "!Ending clean XFS mount for filesystem: %s\n",
+ "Ending clean XFS mount for filesystem: %s\n",
log->l_mp->m_fsname);
}
return 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.