summaryrefslogtreecommitdiff
path: root/include/linux/seq_file.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2020-02-04 07:24:48 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2020-02-04 07:24:48 +0000
commitcc12071ff39060fc2e47c58b43e249fe0d0061ee (patch)
tree085789dec88100d2ac12d9f2c990c00b909d7ee2 /include/linux/seq_file.h
parent9717c1cea16e3eae81ca226f4c3670bb799b61ad (diff)
parentf3cc4e1d44a813a0685f2e558b78ace3db559722 (diff)
downloadlwn-cc12071ff39060fc2e47c58b43e249fe0d0061ee.tar.gz
lwn-cc12071ff39060fc2e47c58b43e249fe0d0061ee.zip
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: "The rest of MM and the rest of everything else: hotfixes, ipc, misc, procfs, lib, cleanups, arm" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (67 commits) ARM: dma-api: fix max_pfn off-by-one error in __dma_supported() treewide: remove redundant IS_ERR() before error code check include/linux/cpumask.h: don't calculate length of the input string lib: new testcases for bitmap_parse{_user} lib: rework bitmap_parse() lib: make bitmap_parse_user a wrapper on bitmap_parse lib: add test for bitmap_parse() bitops: more BITS_TO_* macros lib/string: add strnchrnul() proc: convert everything to "struct proc_ops" proc: decouple proc from VFS with "struct proc_ops" asm-generic/tlb: provide MMU_GATHER_TABLE_FREE asm-generic/tlb: rename HAVE_MMU_GATHER_NO_GATHER asm-generic/tlb: rename HAVE_MMU_GATHER_PAGE_SIZE asm-generic/tlb: rename HAVE_RCU_TABLE_FREE asm-generic/tlb: add missing CONFIG symbol asm-gemeric/tlb: remove stray function declarations asm-generic/tlb: avoid potential double flush mm/mmu_gather: invalidate TLB correctly on batch allocation failure and flush powerpc/mmu_gather: enable RCU_TABLE_FREE even for !SMP case ...
Diffstat (limited to 'include/linux/seq_file.h')
-rw-r--r--include/linux/seq_file.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index 5998e1f4ff06..770c2bf3aa43 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -160,6 +160,19 @@ static const struct file_operations __name ## _fops = { \
.release = single_release, \
}
+#define DEFINE_PROC_SHOW_ATTRIBUTE(__name) \
+static int __name ## _open(struct inode *inode, struct file *file) \
+{ \
+ return single_open(file, __name ## _show, inode->i_private); \
+} \
+ \
+static const struct proc_ops __name ## _proc_ops = { \
+ .proc_open = __name ## _open, \
+ .proc_read = seq_read, \
+ .proc_lseek = seq_lseek, \
+ .proc_release = single_release, \
+}
+
static inline struct user_namespace *seq_user_ns(struct seq_file *seq)
{
#ifdef CONFIG_USER_NS