On Tue, Jul 30, 2013 at 8:29 AM, Xiong Zhou <jencce.kernel@xxxxxxxxx> wrote:
> From: Xiong Zhou <jencce.kernel@xxxxxxxxx>
>
> In the lustre client driver, lloop depends on BLOCK. Add an
> option for this dependence. Last version of this patch makes
> LUSTRE_FS depends on BLOCK.
> Remove unnecessary jdb head files which depends on BLOCK.
>
Thanks for the patch. One minor comment below. Other than that, you can add
Reviewed-by: Peng Tao <tao.peng@xxxxxxx>
> Signed-off-by: Xiong Zhou <jencce.kernel@xxxxxxxxx>
> ---
> drivers/staging/lustre/lustre/Kconfig | 7 ++++++-
> drivers/staging/lustre/lustre/fld/fld_cache.c | 1 -
> drivers/staging/lustre/lustre/fld/fld_request.c | 1 -
> .../lustre/lustre/include/linux/lustre_compat25.h | 2 ++
> drivers/staging/lustre/lustre/llite/Makefile | 2 +-
> drivers/staging/lustre/lustre/lvfs/fsfilt.c | 1 -
> 6 files changed, 9 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/staging/lustre/lustre/Kconfig b/drivers/staging/lustre/lustre/Kconfig
> index 0b45de0..4e898e4 100644
> --- a/drivers/staging/lustre/lustre/Kconfig
> +++ b/drivers/staging/lustre/lustre/Kconfig
> @@ -1,6 +1,6 @@
> config LUSTRE_FS
> tristate "Lustre file system client support"
> - depends on STAGING && INET && BLOCK && m
> + depends on INET && m
> select LNET
> select CRYPTO
> select CRYPTO_CRC32
> @@ -53,3 +53,8 @@ config LUSTRE_TRANSLATE_ERRNOS
> bool
> depends on LUSTRE_FS && !X86
> default true
> +
> +config LUSTRE_LLITE_LLOOP
> + bool "Lustre virtual block device"
> + depends on LUSTRE_FS && BLOCK
> + default m
> diff --git a/drivers/staging/lustre/lustre/fld/fld_cache.c b/drivers/staging/lustre/lustre/fld/fld_cache.c
> index 347f2ae..8410107 100644
> --- a/drivers/staging/lustre/lustre/fld/fld_cache.c
> +++ b/drivers/staging/lustre/lustre/fld/fld_cache.c
> @@ -45,7 +45,6 @@
>
> # include <linux/libcfs/libcfs.h>
> # include <linux/module.h>
> -# include <linux/jbd.h>
> # include <asm/div64.h>
>
> #include <obd.h>
> diff --git a/drivers/staging/lustre/lustre/fld/fld_request.c b/drivers/staging/lustre/lustre/fld/fld_request.c
> index c99b945..049322a 100644
> --- a/drivers/staging/lustre/lustre/fld/fld_request.c
> +++ b/drivers/staging/lustre/lustre/fld/fld_request.c
> @@ -44,7 +44,6 @@
>
> # include <linux/libcfs/libcfs.h>
> # include <linux/module.h>
> -# include <linux/jbd.h>
> # include <asm/div64.h>
>
> #include <obd.h>
> diff --git a/drivers/staging/lustre/lustre/include/linux/lustre_compat25.h b/drivers/staging/lustre/lustre/include/linux/lustre_compat25.h
> index 426533b..c0156e3 100644
> --- a/drivers/staging/lustre/lustre/include/linux/lustre_compat25.h
> +++ b/drivers/staging/lustre/lustre/include/linux/lustre_compat25.h
> @@ -111,12 +111,14 @@ static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
> #define TREE_READ_LOCK_IRQ(mapping) spin_lock_irq(&(mapping)->tree_lock)
> #define TREE_READ_UNLOCK_IRQ(mapping) spin_unlock_irq(&(mapping)->tree_lock)
>
> +#ifdef CONFIG_BLOCK
> static inline
> int ll_unregister_blkdev(unsigned int dev, const char *name)
It is better to remove the wrapper and just call unregister_blkdev in
lloop.c. The wrapper exists to support old kernels in Lustre master
but doesn't make sense in upstream kernel.
Thanks,
Tao
> {
> unregister_blkdev(dev, name);
> return 0;
> }
> +#endif
>
> #define ll_invalidate_bdev(a,b) invalidate_bdev((a))
>
> diff --git a/drivers/staging/lustre/lustre/llite/Makefile b/drivers/staging/lustre/lustre/llite/Makefile
> index dff0c04..f493e07 100644
> --- a/drivers/staging/lustre/lustre/llite/Makefile
> +++ b/drivers/staging/lustre/lustre/llite/Makefile
> @@ -1,5 +1,5 @@
> obj-$(CONFIG_LUSTRE_FS) += lustre.o
> -obj-$(CONFIG_LUSTRE_FS) += llite_lloop.o
> +obj-$(CONFIG_LUSTRE_LLITE_LLOOP) += llite_lloop.o
> lustre-y := dcache.o dir.o file.o llite_close.o llite_lib.o llite_nfs.o \
> rw.o lproc_llite.o namei.o symlink.o llite_mmap.o \
> xattr.o remote_perm.o llite_rmtacl.o llite_capa.o \
> diff --git a/drivers/staging/lustre/lustre/lvfs/fsfilt.c b/drivers/staging/lustre/lustre/lvfs/fsfilt.c
> index 064445c..ce71f80 100644
> --- a/drivers/staging/lustre/lustre/lvfs/fsfilt.c
> +++ b/drivers/staging/lustre/lustre/lvfs/fsfilt.c
> @@ -35,7 +35,6 @@
> #define DEBUG_SUBSYSTEM S_FILTER
>
> #include <linux/fs.h>
> -#include <linux/jbd.h>
> #include <linux/module.h>
> #include <linux/kmod.h>
> #include <linux/slab.h>
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