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https://github.com/edk2-porting/linux-next.git
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df5660cf63
Currently, we don't have a consistent story around logging when an EXPERIMENTAL feature gets turned on at runtime -- online fsck and shrink log a message once per day across all mounts, and the recently merged LARP mode only ever does it once per insmod cycle or reboot. Because EXPERIMENTAL tags are supposed to go away eventually, convert the existing daily warnings into state flags that travel with the mount, and warn once per mount. Making this an opstate flag means that we'll be able to capture the experimental usage in the ftrace output too. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __XFS_MESSAGE_H
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#define __XFS_MESSAGE_H 1
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#include <linux/once_lite.h>
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struct xfs_mount;
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extern __printf(3, 4)
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void xfs_printk_level(const char *kern_level, const struct xfs_mount *mp,
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const char *fmt, ...);
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#define xfs_printk_index_wrap(kern_level, mp, fmt, ...) \
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({ \
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printk_index_subsys_emit("%sXFS%s: ", kern_level, fmt); \
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xfs_printk_level(kern_level, mp, fmt, ##__VA_ARGS__); \
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})
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#define xfs_emerg(mp, fmt, ...) \
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xfs_printk_index_wrap(KERN_EMERG, mp, fmt, ##__VA_ARGS__)
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#define xfs_alert(mp, fmt, ...) \
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xfs_printk_index_wrap(KERN_ALERT, mp, fmt, ##__VA_ARGS__)
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#define xfs_crit(mp, fmt, ...) \
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xfs_printk_index_wrap(KERN_CRIT, mp, fmt, ##__VA_ARGS__)
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#define xfs_err(mp, fmt, ...) \
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xfs_printk_index_wrap(KERN_ERR, mp, fmt, ##__VA_ARGS__)
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#define xfs_warn(mp, fmt, ...) \
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xfs_printk_index_wrap(KERN_WARNING, mp, fmt, ##__VA_ARGS__)
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#define xfs_notice(mp, fmt, ...) \
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xfs_printk_index_wrap(KERN_NOTICE, mp, fmt, ##__VA_ARGS__)
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#define xfs_info(mp, fmt, ...) \
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xfs_printk_index_wrap(KERN_INFO, mp, fmt, ##__VA_ARGS__)
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#ifdef DEBUG
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#define xfs_debug(mp, fmt, ...) \
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xfs_printk_index_wrap(KERN_DEBUG, mp, fmt, ##__VA_ARGS__)
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#else
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#define xfs_debug(mp, fmt, ...) do {} while (0)
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#endif
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#define xfs_alert_tag(mp, tag, fmt, ...) \
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({ \
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printk_index_subsys_emit("%sXFS%s: ", KERN_ALERT, fmt); \
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_xfs_alert_tag(mp, tag, fmt, ##__VA_ARGS__); \
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})
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extern __printf(3, 4)
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void _xfs_alert_tag(const struct xfs_mount *mp, uint32_t tag,
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const char *fmt, ...);
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#define xfs_printk_ratelimited(func, dev, fmt, ...) \
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do { \
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static DEFINE_RATELIMIT_STATE(_rs, \
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DEFAULT_RATELIMIT_INTERVAL, \
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DEFAULT_RATELIMIT_BURST); \
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if (__ratelimit(&_rs)) \
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func(dev, fmt, ##__VA_ARGS__); \
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} while (0)
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#define xfs_printk_once(func, dev, fmt, ...) \
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DO_ONCE_LITE(func, dev, fmt, ##__VA_ARGS__)
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#define xfs_emerg_ratelimited(dev, fmt, ...) \
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xfs_printk_ratelimited(xfs_emerg, dev, fmt, ##__VA_ARGS__)
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#define xfs_alert_ratelimited(dev, fmt, ...) \
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xfs_printk_ratelimited(xfs_alert, dev, fmt, ##__VA_ARGS__)
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#define xfs_crit_ratelimited(dev, fmt, ...) \
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xfs_printk_ratelimited(xfs_crit, dev, fmt, ##__VA_ARGS__)
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#define xfs_err_ratelimited(dev, fmt, ...) \
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xfs_printk_ratelimited(xfs_err, dev, fmt, ##__VA_ARGS__)
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#define xfs_warn_ratelimited(dev, fmt, ...) \
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xfs_printk_ratelimited(xfs_warn, dev, fmt, ##__VA_ARGS__)
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#define xfs_notice_ratelimited(dev, fmt, ...) \
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xfs_printk_ratelimited(xfs_notice, dev, fmt, ##__VA_ARGS__)
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#define xfs_info_ratelimited(dev, fmt, ...) \
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xfs_printk_ratelimited(xfs_info, dev, fmt, ##__VA_ARGS__)
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#define xfs_debug_ratelimited(dev, fmt, ...) \
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xfs_printk_ratelimited(xfs_debug, dev, fmt, ##__VA_ARGS__)
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#define xfs_warn_mount(mp, warntag, fmt, ...) \
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do { \
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if (xfs_should_warn((mp), (warntag))) \
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xfs_warn((mp), (fmt), ##__VA_ARGS__); \
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} while (0)
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#define xfs_warn_once(dev, fmt, ...) \
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xfs_printk_once(xfs_warn, dev, fmt, ##__VA_ARGS__)
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#define xfs_notice_once(dev, fmt, ...) \
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xfs_printk_once(xfs_notice, dev, fmt, ##__VA_ARGS__)
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#define xfs_info_once(dev, fmt, ...) \
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xfs_printk_once(xfs_info, dev, fmt, ##__VA_ARGS__)
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void assfail(struct xfs_mount *mp, char *expr, char *f, int l);
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void asswarn(struct xfs_mount *mp, char *expr, char *f, int l);
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extern void xfs_hex_dump(const void *p, int length);
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void xfs_buf_alert_ratelimited(struct xfs_buf *bp, const char *rlmsg,
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const char *fmt, ...);
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#endif /* __XFS_MESSAGE_H */
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