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ext4: Add select for CONFIG_FS_IOMAP

When ext4 is compiled with DAX support, it now needs the iomap code. Add
appropriate select to Kconfig.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Jan Kara 8 years ago
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2f8f5e76c7
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4f5a763c9a
1 changed files with 1 additions and 0 deletions
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      fs/ext4/Kconfig

+ 1 - 0
fs/ext4/Kconfig
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@@ -37,6 +37,7 @@ config EXT4_FS
 
 	select CRC16
 
 	select CRC16
 
 	select CRYPTO
 
 	select CRYPTO
 
 	select CRYPTO_CRC32C
 
 	select CRYPTO_CRC32C
 
+	select FS_IOMAP if FS_DAX
 
 	help
 
 	help
 
 	  This is the next generation of the ext3 filesystem.
 
 	  This is the next generation of the ext3 filesystem.