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jbd2: convert instrumentation from markers to tracepoints

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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2009-06-17 11:47:48 -04:00
commit 879c5e6b7c
5 changed files with 252 additions and 9 deletions
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6
include/linux/jbd2.h
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@ -1315,6 +1315,12 @@ extern int jbd_blocks_per_page(struct inode *inode);
#define BUFFER_TRACE2(bh, bh2, info) do {} while (0)
#define JBUFFER_TRACE(jh, info) do {} while (0)
/*
* jbd2_dev_to_name is a utility function used by the jbd2 and ext4
* tracing infrastructure to map a dev_t to a device name.
*/
extern const char *jbd2_dev_to_name(dev_t device);
#endif /* __KERNEL__ */
#endif /* _LINUX_JBD2_H */