The patch titled
seq_file: add seq_cpumask_list(), seq_nodemask_list()
has been added to the -mm tree. Its filename is
seq_file-add-seq_cpumask_list-seq_nodemask_list.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: seq_file: add seq_cpumask_list(), seq_nodemask_list()
From: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
seq_cpumask_list(), seq_nodemask_list() are very like seq_cpumask(),
seq_nodemask(), but they print human readable string.
Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Paul Menage <menage@xxxxxxxxxx>
Cc: Paul Jackson <pj@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/seq_file.c | 16 ++++++++++++++++
include/linux/seq_file.h | 13 +++++++++++++
2 files changed, 29 insertions(+)
diff -puN fs/seq_file.c~seq_file-add-seq_cpumask_list-seq_nodemask_list fs/seq_file.c
--- a/fs/seq_file.c~seq_file-add-seq_cpumask_list-seq_nodemask_list
+++ a/fs/seq_file.c
@@ -465,6 +465,22 @@ int seq_bitmap(struct seq_file *m, unsig
}
EXPORT_SYMBOL(seq_bitmap);
+int seq_bitmap_list(struct seq_file *m, unsigned long *bits,
+ unsigned int nr_bits)
+{
+ if (m->count < m->size) {
+ int len = bitmap_scnlistprintf(m->buf + m->count,
+ m->size - m->count, bits, nr_bits);
+ if (m->count + len < m->size) {
+ m->count += len;
+ return 0;
+ }
+ }
+ m->count = m->size;
+ return -1;
+}
+EXPORT_SYMBOL(seq_bitmap_list);
+
static void *single_start(struct seq_file *p, loff_t *pos)
{
return NULL + (*pos == 0);
diff -puN include/linux/seq_file.h~seq_file-add-seq_cpumask_list-seq_nodemask_list include/linux/seq_file.h
--- a/include/linux/seq_file.h~seq_file-add-seq_cpumask_list-seq_nodemask_list
+++ a/include/linux/seq_file.h
@@ -60,6 +60,19 @@ static inline int seq_nodemask(struct se
return seq_bitmap(m, mask->bits, MAX_NUMNODES);
}
+int seq_bitmap_list(struct seq_file *m, unsigned long *bits,
+ unsigned int nr_bits);
+
+static inline int seq_cpumask_list(struct seq_file *m, cpumask_t *mask)
+{
+ return seq_bitmap_list(m, mask->bits, NR_CPUS);
+}
+
+static inline int seq_nodemask_list(struct seq_file *m, nodemask_t *mask)
+{
+ return seq_bitmap_list(m, mask->bits, MAX_NUMNODES);
+}
+
int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
int single_release(struct inode *, struct file *);
void *__seq_open_private(struct file *, const struct seq_operations *, int);
_
Patches currently in -mm which might be from laijs@xxxxxxxxxxxxxx are
origin.patch
cgroups-fix-probable-race-with-put_css_set-and-find_css_set.patch
cgroups-fix-probable-race-with-put_css_set-and-find_css_set-fix.patch
cgroups-fix-probable-race-with-put_css_set-and-find_css_set-cgroups-eliminate-race-in-css_set-refcounting.patch
cgroups-convert-tasks-file-to-use-a-seq_file-with-shared-pid-array.patch
devcgroup-remove-spin_lock.patch
seq_file-dont-call-bitmap_scnprintf_len.patch
seq_file-add-seq_cpumask_list-seq_nodemask_list.patch
cpuset-use-seq_mask_-to-print-masks.patch
bitmask-remove-bitmap_scnprintf_len.patch
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