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Subject[PATCH] pipe: Eliminate compilation warnings
Date
When CONFIG_WATCH_QUEUE is not set, clang will have five similar
compilation warnings as follows:

fs/pipe.c:755:15: warning: no previous prototype for function 'account_pipe_buffers' [-Wmissing-prototypes]
unsigned long account_pipe_buffers(struct user_struct *user,
^
fs/pipe.c:755:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
unsigned long account_pipe_buffers(struct user_struct *user,
^
static

Eliminate compilation warnings by removing macro compilation in
header files.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
---
include/linux/pipe_fs_i.h | 4 ----
1 file changed, 4 deletions(-)

diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index fc5642431b92..b4fa7879ad83 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -256,18 +256,14 @@ void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);

extern const struct pipe_buf_operations nosteal_pipe_buf_ops;

-#ifdef CONFIG_WATCH_QUEUE
unsigned long account_pipe_buffers(struct user_struct *user,
unsigned long old, unsigned long new);
bool too_many_pipe_buffers_soft(unsigned long user_bufs);
bool too_many_pipe_buffers_hard(unsigned long user_bufs);
bool pipe_is_unprivileged_user(void);
-#endif

/* for F_SETPIPE_SZ and F_GETPIPE_SZ */
-#ifdef CONFIG_WATCH_QUEUE
int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots);
-#endif
long pipe_fcntl(struct file *, unsigned int, unsigned long arg);
struct pipe_inode_info *get_pipe_info(struct file *file, bool for_splice);

--
2.32.0
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