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| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2014-10-29 14:17:52 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-11-19 22:01:13 -0500 |
| commit | 0736c033a81547b1cdc5120fc8dd60e26a00fd28 (patch) | |
| tree | ef12060038510c204c5799bf133429c14af19a02 /include/linux/seq_buf.h | |
| parent | 9a7777935c34b9192e28ef3d232a4b6b5414a657 (diff) | |
| download | linux-0736c033a81547b1cdc5120fc8dd60e26a00fd28.tar.gz linux-0736c033a81547b1cdc5120fc8dd60e26a00fd28.tar.bz2 linux-0736c033a81547b1cdc5120fc8dd60e26a00fd28.zip | |
tracing: Add a seq_buf_clear() helper and clear len and readpos in init
Add a helper function seq_buf_clear() that resets the len and readpos
fields of a seq_buf. Currently it is only used in the seq_buf_init()
but will be used later when updating the seq_file code.
Link: http://lkml.kernel.org/r/20141104160222.352309995@goodmis.org
Tested-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include/linux/seq_buf.h')
| -rw-r--r-- | include/linux/seq_buf.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/seq_buf.h b/include/linux/seq_buf.h index d14dc9023dde..5d91262433e2 100644 --- a/include/linux/seq_buf.h +++ b/include/linux/seq_buf.h @@ -22,13 +22,18 @@ struct seq_buf { loff_t readpos; }; +static inline void seq_buf_clear(struct seq_buf *s) +{ + s->len = 0; + s->readpos = 0; +} + static inline void seq_buf_init(struct seq_buf *s, unsigned char *buf, unsigned int size) { s->buffer = buf; s->size = size; - s->len = 0; - s->readpos = 0; + seq_buf_clear(s); } /* |