Hi Al,
After merging the vfs tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:
In file included from drivers/usb/core/devio.c:37:0:
drivers/usb/core/devio.c: In function 'usbdev_lseek':
include/linux/fs.h:898:36: error: 'PAGE_CACHE_SIZE' undeclared (first use in this function)
#define MAX_LFS_FILESIZE (((loff_t)PAGE_CACHE_SIZE << (BITS_PER_LONG-1))-1)
^
drivers/usb/core/devio.c:162:48: note: in expansion of macro 'MAX_LFS_FILESIZE'
return no_seek_end_llseek(file, offset, orig, MAX_LFS_FILESIZE);
^
include/linux/fs.h:898:36: note: each undeclared identifier is reported only once for each function it appears in
#define MAX_LFS_FILESIZE (((loff_t)PAGE_CACHE_SIZE << (BITS_PER_LONG-1))-1)
^
drivers/usb/core/devio.c:162:48: note: in expansion of macro 'MAX_LFS_FILESIZE'
return no_seek_end_llseek(file, offset, orig, MAX_LFS_FILESIZE);
^
drivers/usb/core/devio.c:163:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
Caused by commit
41fb31e4f962 ("new helper: no_seek_end_llseek()")
PAGE_CACHE_SIZE is defined in linux/pagemap.h which is not included here.
I guess that adding the include to linux/fs.h may have other problems.
I have used the vfs tree from next-20151207 for today.
--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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