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lib/vsprintf.c: remove %Z support

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Now that %z is standartised in C99 there is no reason to support %Z.
Unlike %L it doesn't even make format strings smaller.

Use BUILD_BUG_ON in a couple ATM drivers.

In case anyone didn't notice lib/vsprintf.o is about half of SLUB which
is in my opinion is quite an achievement.  Hopefully this patch inspires
someone else to trim vsprintf.c more.

Link: http://lkml.kernel.org/r/20170103230126.GA30170@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
2017-02-27 14:30:02 -08:00
committed by Linus Torvalds
parent d7f6724366
commit 5b5e0928f7
79 changed files with 187 additions and 201 deletions
Download Patch File Download Diff File Expand all files Collapse all files
block/bsg.c
+3 -3
View File
@@ -573,7 +573,7 @@ bsg_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
int ret;
ssize_t bytes_read;
dprintk("%s: read %Zd bytes\n", bd->name, count);
dprintk("%s: read %zd bytes\n", bd->name, count);
bsg_set_block(bd, file);
@@ -648,7 +648,7 @@ bsg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
ssize_t bytes_written;
int ret;
dprintk("%s: write %Zd bytes\n", bd->name, count);
dprintk("%s: write %zd bytes\n", bd->name, count);
if (unlikely(segment_eq(get_fs(), KERNEL_DS)))
return -EINVAL;
@@ -667,7 +667,7 @@ bsg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
if (!bytes_written || err_block_err(ret))
bytes_written = ret;
dprintk("%s: returning %Zd\n", bd->name, bytes_written);
dprintk("%s: returning %zd\n", bd->name, bytes_written);
return bytes_written;
}