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authorDan Williams <dan.j.williams@intel.com>2017-05-14 01:18:21 +0200
committerDan Williams <dan.j.williams@intel.com>2017-05-14 01:18:21 +0200
commit9d109081c261d87fc84e0cce245796796ae4c460 (patch)
tree761137483cb92db53f1484be40bf6094cdce7aa2 /drivers/dax
parentLinux 4.12-rc1 (diff)
downloadlinux-9d109081c261d87fc84e0cce245796796ae4c460.tar.xz
linux-9d109081c261d87fc84e0cce245796796ae4c460.zip
dax: fix false CONFIG_BLOCK dependency
In the BLOCK=n case the dax core does not need to / must not emit the block-device-dax helpers. Otherwise it leads to compile errors. Cc: Arnd Bergmann <arnd@arndb.de> Reported-by: Fabian Frederick <fabf@skynet.be> Fixes: ef51042472f5 ("block, dax: move 'select DAX' from BLOCK to FS_DAX") Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax')
-rw-r--r--drivers/dax/super.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index ebf43f531ada..6ed32aac8bbe 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -44,6 +44,7 @@ void dax_read_unlock(int id)
}
EXPORT_SYMBOL_GPL(dax_read_unlock);
+#ifdef CONFIG_BLOCK
int bdev_dax_pgoff(struct block_device *bdev, sector_t sector, size_t size,
pgoff_t *pgoff)
{
@@ -112,6 +113,7 @@ int __bdev_dax_supported(struct super_block *sb, int blocksize)
return 0;
}
EXPORT_SYMBOL_GPL(__bdev_dax_supported);
+#endif
/**
* struct dax_device - anchor object for dax services