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authorYue Hu <huyue2@coolpad.com>2023-05-15 17:57:58 +0800
committerGao Xiang <hsiangkao@linux.alibaba.com>2023-05-23 16:56:40 +0800
commit285d0f85dae6510aea31416c72670ded54fc4b0c (patch)
tree234f5892d6e3b992929b18d283f623062d60c778
parent0a17567b4a85243ac1620886b75b3813acde41fc (diff)
downloadlinux-285d0f85dae6510aea31416c72670ded54fc4b0c.tar.gz
erofs: avoid pcpubuf.c inclusion if CONFIG_EROFS_FS_ZIP is off
The function of pcpubuf.c is just for low-latency decompression algorithms (e.g. lz4). Signed-off-by: Yue Hu <huyue2@coolpad.com> Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> Reviewed-by: Chao Yu <chao@kernel.org> Link: https://lore.kernel.org/r/20230515095758.10391-1-zbestahu@gmail.com Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
-rw-r--r--fs/erofs/Makefile4
-rw-r--r--fs/erofs/internal.h13
2 files changed, 9 insertions, 8 deletions
diff --git a/fs/erofs/Makefile b/fs/erofs/Makefile
index 99bbc597a3e923..a3a98fc3e481ac 100644
--- a/fs/erofs/Makefile
+++ b/fs/erofs/Makefile
@@ -1,8 +1,8 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_EROFS_FS) += erofs.o
-erofs-objs := super.o inode.o data.o namei.o dir.o utils.o pcpubuf.o sysfs.o
+erofs-objs := super.o inode.o data.o namei.o dir.o utils.o sysfs.o
erofs-$(CONFIG_EROFS_FS_XATTR) += xattr.o
-erofs-$(CONFIG_EROFS_FS_ZIP) += decompressor.o zmap.o zdata.o
+erofs-$(CONFIG_EROFS_FS_ZIP) += decompressor.o zmap.o zdata.o pcpubuf.o
erofs-$(CONFIG_EROFS_FS_ZIP_LZMA) += decompressor_lzma.o
erofs-$(CONFIG_EROFS_FS_ONDEMAND) += fscache.o
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index af0431a4064790..1e39c03357d1ec 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -472,12 +472,6 @@ static inline void *erofs_vm_map_ram(struct page **pages, unsigned int count)
return NULL;
}
-void *erofs_get_pcpubuf(unsigned int requiredpages);
-void erofs_put_pcpubuf(void *ptr);
-int erofs_pcpubuf_growsize(unsigned int nrpages);
-void __init erofs_pcpubuf_init(void);
-void erofs_pcpubuf_exit(void);
-
int erofs_register_sysfs(struct super_block *sb);
void erofs_unregister_sysfs(struct super_block *sb);
int __init erofs_init_sysfs(void);
@@ -512,6 +506,11 @@ int z_erofs_load_lz4_config(struct super_block *sb,
struct z_erofs_lz4_cfgs *lz4, int len);
int z_erofs_map_blocks_iter(struct inode *inode, struct erofs_map_blocks *map,
int flags);
+void *erofs_get_pcpubuf(unsigned int requiredpages);
+void erofs_put_pcpubuf(void *ptr);
+int erofs_pcpubuf_growsize(unsigned int nrpages);
+void __init erofs_pcpubuf_init(void);
+void erofs_pcpubuf_exit(void);
#else
static inline void erofs_shrinker_register(struct super_block *sb) {}
static inline void erofs_shrinker_unregister(struct super_block *sb) {}
@@ -529,6 +528,8 @@ static inline int z_erofs_load_lz4_config(struct super_block *sb,
}
return 0;
}
+static inline void erofs_pcpubuf_init(void) {}
+static inline void erofs_pcpubuf_exit(void) {}
#endif /* !CONFIG_EROFS_FS_ZIP */
#ifdef CONFIG_EROFS_FS_ZIP_LZMA