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| author |  Chunhai Guo <guochunhai@vivo.com>
| 2024-04-01 07:55:50 -0600 |
|---|---|---|
| committer |  Gao Xiang <hsiangkao@linux.alibaba.com>
| 2024-05-08 17:12:49 +0800 |
| commit | cacd5b04e24c74a813c694ec7b26a1a370b5d666 (patch) | |
| tree | c7ee6564cbd6cc08026773e83f4710713e152d6f /fs/erofs | |
| parent | Linux 6.9-rc7 (diff) | |
| download | linux-cacd5b04e24c74a813c694ec7b26a1a370b5d666.tar.gz linux-cacd5b04e24c74a813c694ec7b26a1a370b5d666.tar.bz2 linux-cacd5b04e24c74a813c694ec7b26a1a370b5d666.zip | |
erofs: rename utils.c to zutil.c
Currently, utils.c is only useful if CONFIG_EROFS_FS_ZIP is on.
So let's rename it to zutil.c as well as avoid its inclusion if
CONFIG_EROFS_FS_ZIP is explicitly disabled.
Signed-off-by: Chunhai Guo <guochunhai@vivo.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240401135550.2550043-1-guochunhai@vivo.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'fs/erofs')
| -rw-r--r-- | fs/erofs/Makefile | 4 | ||||
| -rw-r--r-- | fs/erofs/zutil.c (renamed from fs/erofs/utils.c) | 30 |
2 files changed, 13 insertions, 21 deletions
diff --git a/fs/erofs/Makefile b/fs/erofs/Makefile index 994d0b9deddf..845eafdcee4a 100644 --- a/fs/erofs/Makefile +++ b/fs/erofs/Makefile @@ -1,9 +1,9 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_EROFS_FS) += erofs.o -erofs-objs := super.o inode.o data.o namei.o dir.o utils.o sysfs.o +erofs-objs := super.o inode.o data.o namei.o dir.o sysfs.o erofs-$(CONFIG_EROFS_FS_XATTR) += xattr.o -erofs-$(CONFIG_EROFS_FS_ZIP) += decompressor.o zmap.o zdata.o pcpubuf.o +erofs-$(CONFIG_EROFS_FS_ZIP) += decompressor.o zmap.o zdata.o pcpubuf.o zutil.o erofs-$(CONFIG_EROFS_FS_ZIP_LZMA) += decompressor_lzma.o erofs-$(CONFIG_EROFS_FS_ZIP_DEFLATE) += decompressor_deflate.o erofs-$(CONFIG_EROFS_FS_ONDEMAND) += fscache.o diff --git a/fs/erofs/utils.c b/fs/erofs/zutil.c index 518bdd69c823..8cd30ac2091f 100644 --- a/fs/erofs/utils.c +++ b/fs/erofs/zutil.c @@ -5,6 +5,15 @@ */ #include "internal.h" +static atomic_long_t erofs_global_shrink_cnt; /* for all mounted instances */ +/* protected by 'erofs_sb_list_lock' */ +static unsigned int shrinker_run_no; + +/* protects the mounted 'erofs_sb_list' */ +static DEFINE_SPINLOCK(erofs_sb_list_lock); +static LIST_HEAD(erofs_sb_list); +static struct shrinker *erofs_shrinker_info; + struct page *erofs_allocpage(struct page **pagepool, gfp_t gfp) { struct page *page = *pagepool; @@ -12,10 +21,9 @@ struct page *erofs_allocpage(struct page **pagepool, gfp_t gfp) if (page) { DBG_BUGON(page_ref_count(page) != 1); *pagepool = (struct page *)page_private(page); - } else { - page = alloc_page(gfp); + return page; } - return page; + return alloc_page(gfp); } void erofs_release_pages(struct page **pagepool) @@ -28,10 +36,6 @@ void erofs_release_pages(struct page **pagepool) } } -#ifdef CONFIG_EROFS_FS_ZIP -/* global shrink count (for all mounted EROFS instances) */ -static atomic_long_t erofs_global_shrink_cnt; - static bool erofs_workgroup_get(struct erofs_workgroup *grp) { if (lockref_get_not_zero(&grp->lockref)) @@ -171,13 +175,6 @@ static unsigned long erofs_shrink_workstation(struct erofs_sb_info *sbi, return freed; } -/* protected by 'erofs_sb_list_lock' */ -static unsigned int shrinker_run_no; - -/* protects the mounted 'erofs_sb_list' */ -static DEFINE_SPINLOCK(erofs_sb_list_lock); -static LIST_HEAD(erofs_sb_list); - void erofs_shrinker_register(struct super_block *sb) { struct erofs_sb_info *sbi = EROFS_SB(sb); @@ -264,8 +261,6 @@ static unsigned long erofs_shrink_scan(struct shrinker *shrink, return freed; } -static struct shrinker *erofs_shrinker_info; - int __init erofs_init_shrinker(void) { erofs_shrinker_info = shrinker_alloc(0, "erofs-shrinker"); @@ -274,9 +269,7 @@ int __init erofs_init_shrinker(void) erofs_shrinker_info->count_objects = erofs_shrink_count; erofs_shrinker_info->scan_objects = erofs_shrink_scan; - shrinker_register(erofs_shrinker_info); - return 0; } @@ -284,4 +277,3 @@ void erofs_exit_shrinker(void) { shrinker_free(erofs_shrinker_info); } -#endif /* !CONFIG_EROFS_FS_ZIP */ |