Messages in this thread | | | Date | Mon, 16 Aug 2021 17:31:18 -0700 | From | Jaegeuk Kim <> | Subject | Re: [PATCH] f2fs: Use f2fs_bug_on instead of if condition followed by f2fs_bug_on |
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No, I don't think this is a right way.
On 08/16, Yangtao Li wrote: > Similar: > WARNING: Use BUG_ON instead of if condition followed by BUG. > > Let's replace if (cond) f2fs_bug_on() with f2fs_bug_on(). > > Signed-off-by: Yangtao Li <frank.li@vivo.com> > --- > fs/f2fs/checkpoint.c | 6 ++---- > fs/f2fs/compress.c | 3 +-- > fs/f2fs/data.c | 6 ++---- > fs/f2fs/node.h | 4 +--- > fs/f2fs/segment.c | 5 ++--- > fs/f2fs/segment.h | 10 ++++------ > 6 files changed, 12 insertions(+), 22 deletions(-) > > diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c > index 6c208108d69c..eebe5a80b842 100644 > --- a/fs/f2fs/checkpoint.c > +++ b/fs/f2fs/checkpoint.c > @@ -475,8 +475,7 @@ static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, > e = radix_tree_lookup(&im->ino_root, ino); > if (!e) { > e = tmp; > - if (unlikely(radix_tree_insert(&im->ino_root, ino, e))) > - f2fs_bug_on(sbi, 1); > + f2fs_bug_on(sbi, radix_tree_insert(&im->ino_root, ino, e)); > > memset(e, 0, sizeof(struct ino_entry)); > e->ino = ino; > @@ -1369,8 +1368,7 @@ static void commit_checkpoint(struct f2fs_sb_info *sbi, > memcpy(page_address(page), src, PAGE_SIZE); > > set_page_dirty(page); > - if (unlikely(!clear_page_dirty_for_io(page))) > - f2fs_bug_on(sbi, 1); > + f2fs_bug_on(sbi, !clear_page_dirty_for_io(page)); > > /* writeout cp pack 2 page */ > err = __f2fs_write_meta_page(page, &wbc, FS_CP_META_IO); > diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c > index 455561826c7d..43362f43c3d2 100644 > --- a/fs/f2fs/compress.c > +++ b/fs/f2fs/compress.c > @@ -160,8 +160,7 @@ void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page) > { > unsigned int cluster_ofs; > > - if (!f2fs_cluster_can_merge_page(cc, page->index)) > - f2fs_bug_on(F2FS_I_SB(cc->inode), 1); > + f2fs_bug_on(F2FS_I_SB(cc->inode), !f2fs_cluster_can_merge_page(cc, page->index)); > > cluster_ofs = offset_in_cluster(cc, page->index); > cc->rpages[cluster_ofs] = page; > diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c > index d2cf48c5a2e4..4e85d5bcf1bc 100644 > --- a/fs/f2fs/data.c > +++ b/fs/f2fs/data.c > @@ -464,8 +464,7 @@ static inline void __submit_bio(struct f2fs_sb_info *sbi, > zero_user_segment(page, 0, PAGE_SIZE); > set_page_private_dummy(page); > > - if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) > - f2fs_bug_on(sbi, 1); > + f2fs_bug_on(sbi, bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE); > } > /* > * In the NODE case, we lose next block address chain. So, we > @@ -727,8 +726,7 @@ static void add_bio_entry(struct f2fs_sb_info *sbi, struct bio *bio, > be->bio = bio; > bio_get(bio); > > - if (bio_add_page(bio, page, PAGE_SIZE, 0) != PAGE_SIZE) > - f2fs_bug_on(sbi, 1); > + f2fs_bug_on(sbi, bio_add_page(bio, page, PAGE_SIZE, 0) != PAGE_SIZE); > > down_write(&io->bio_list_lock); > list_add_tail(&be->list, &io->bio_list); > diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h > index ff14a6e5ac1c..4acf365771f4 100644 > --- a/fs/f2fs/node.h > +++ b/fs/f2fs/node.h > @@ -191,9 +191,7 @@ static inline void get_nat_bitmap(struct f2fs_sb_info *sbi, void *addr) > struct f2fs_nm_info *nm_i = NM_I(sbi); > > #ifdef CONFIG_F2FS_CHECK_FS > - if (memcmp(nm_i->nat_bitmap, nm_i->nat_bitmap_mir, > - nm_i->bitmap_size)) > - f2fs_bug_on(sbi, 1); > + f2fs_bug_on(sbi, memcmp(nm_i->nat_bitmap, nm_i->nat_bitmap_mir, nm_i->bitmap_size)); > #endif > memcpy(addr, nm_i->nat_bitmap, nm_i->bitmap_size); > } > diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c > index 15cc89eef28d..12f2a9bc15d7 100644 > --- a/fs/f2fs/segment.c > +++ b/fs/f2fs/segment.c > @@ -4216,9 +4216,8 @@ void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc) > > se = get_seg_entry(sbi, segno); > #ifdef CONFIG_F2FS_CHECK_FS > - if (memcmp(se->cur_valid_map, se->cur_valid_map_mir, > - SIT_VBLOCK_MAP_SIZE)) > - f2fs_bug_on(sbi, 1); > + f2fs_bug_on(sbi, memcmp(se->cur_valid_map, > + se->cur_valid_map_mir, SIT_VBLOCK_MAP_SIZE)); > #endif > > /* add discard candidates */ > diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h > index 050230c70a53..c985b889572a 100644 > --- a/fs/f2fs/segment.h > +++ b/fs/f2fs/segment.h > @@ -518,9 +518,8 @@ static inline void get_sit_bitmap(struct f2fs_sb_info *sbi, > struct sit_info *sit_i = SIT_I(sbi); > > #ifdef CONFIG_F2FS_CHECK_FS > - if (memcmp(sit_i->sit_bitmap, sit_i->sit_bitmap_mir, > - sit_i->bitmap_size)) > - f2fs_bug_on(sbi, 1); > + f2fs_bug_on(sbi, memcmp(sit_i->sit_bitmap, sit_i->sit_bitmap_mir, > + sit_i->bitmap_size)); > #endif > memcpy(dst_addr, sit_i->sit_bitmap, sit_i->bitmap_size); > } > @@ -762,9 +761,8 @@ static inline pgoff_t current_sit_addr(struct f2fs_sb_info *sbi, > check_seg_range(sbi, start); > > #ifdef CONFIG_F2FS_CHECK_FS > - if (f2fs_test_bit(offset, sit_i->sit_bitmap) != > - f2fs_test_bit(offset, sit_i->sit_bitmap_mir)) > - f2fs_bug_on(sbi, 1); > + f2fs_bug_on(sbi, f2fs_test_bit(offset, sit_i->sit_bitmap) != > + f2fs_test_bit(offset, sit_i->sit_bitmap_mir)); > #endif > > /* calculate sit block address */ > -- > 2.32.0
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