From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 94C62385D90 for ; Thu, 20 Aug 2026 03:17:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787195860; cv=none; b=jABQYk1mRR19nUrqsHaHHt+uLnED055JIU1a6+bn6Fw+dLcHDVo/Vcn25aFIaIlqsVzUDzKnoHweRTknC/IruL0v5DmdTvZXNjbxKJhGKbVQ6hTN+EdoaBtFJVE6SyebaUK/M0XhzCBST9EK59aAftZQ0TEvLcP45wySYGcsuoU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787195860; c=relaxed/simple; bh=Goe5sFuhNnPEpx1ifDYVbWs6IIrV1tReg0K/Bo4fsIw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kYoKBS3yo1s0fHllDK0qmQ4EnwB3AzuX7jjoPwcJjclhMev1XkTV6PWCbgtB7CoK3MioGIqJrZ4hp3PICzmbw/tS38OsO8C4Alko5WM7ie80wQ8y5PY//5o89AsOqgKNgz1zJhkcCPARPwXipN8jFirKK6XTzDjB4/tIfnoQsEQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BQu17gbi; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BQu17gbi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 987151F00A3F; Thu, 20 Aug 2026 03:17:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787195858; bh=N/BtV9H/sF3qOtNe+iAZqNi78GxMKHbO1nsvInzTyaA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=BQu17gbiAdKYisdQa6VEzX9q7Y80TDckFkcMxj+8vMG8CLHb/CqE8T6YN6mzX72Tp cmoJDJaX/zss67Ie1sNl+doQeEXVMbC19MpbC1Mv+6EyGfYqfvwicDzlnqbdAxms3H 1WgugibBNMh2C8lbdZwWadDPRl4tdi6I7Yae2L5+5/+pq3m66AdFKOT3cKV6V4TAy+ Q2xYkJ74LcOlfz2pnrhRelOeSp492lr6Hwqw+V4KdOwkGK+cf+XdSM1w8SkpToWxdX 9EWSOgRNrAC3J6SaXfR7iZTWgopVG9rvAWphdswKyv7S2M+PA12LxMNje30uqsLSOI bQXUjJkohLt6Q== From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu Subject: [PATCH v1 09/12] f2fs: cache: use compress cache Date: Thu, 20 Aug 2026 11:17:18 +0800 Message-ID: <20260820031721.12218-10-chao@kernel.org> X-Mailer: git-send-email 2.55.0.737.g08866a6d13-goog In-Reply-To: <20260820031721.12218-1-chao@kernel.org> References: <20260820031721.12218-1-chao@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This patch migrates compressed cluster caching from the fake VFS inode page cache (sbi->compress_inode) to compress cache (sbi->compress_blocks). It converts compression caching and decompression paths to use compress cache APIs, uses entry->ino for per-inode invalidation, and removes sbi->compress_inode. Signed-off-by: Chao Yu --- fs/f2fs/cache.c | 2 +- fs/f2fs/cache.h | 1 + fs/f2fs/compress.c | 149 ++++++++++++++++------------------------ fs/f2fs/debug.c | 9 +-- fs/f2fs/f2fs.h | 8 +-- fs/f2fs/inode.c | 49 ++----------- fs/f2fs/node.c | 2 +- fs/f2fs/super.c | 15 ++-- include/linux/f2fs_fs.h | 1 - 9 files changed, 79 insertions(+), 157 deletions(-) diff --git a/fs/f2fs/cache.c b/fs/f2fs/cache.c index 2cecf6287207..173bbf3aa94c 100644 --- a/fs/f2fs/cache.c +++ b/fs/f2fs/cache.c @@ -414,7 +414,7 @@ static void f2fs_do_truncate_cache(struct f2fs_cached_block *entry, spin_unlock(&cache->list_lock); } -static void f2fs_truncate_cache(struct f2fs_cached_block *entry, +void f2fs_truncate_cache(struct f2fs_cached_block *entry, bool drop_dirty) { f2fs_lock_cache(entry); diff --git a/fs/f2fs/cache.h b/fs/f2fs/cache.h index 23583a52b8f8..12c061d28d23 100644 --- a/fs/f2fs/cache.h +++ b/fs/f2fs/cache.h @@ -169,6 +169,7 @@ unsigned int f2fs_cache_gang_lookup_tag(struct f2fs_cached_block_list *cache, unsigned int max_items, int tag); void f2fs_cache_gang_release(struct f2fs_cached_block **entries, unsigned int nr_entries); +void f2fs_truncate_cache(struct f2fs_cached_block *entry, bool drop_dirty); int f2fs_writeback_cache(struct f2fs_cached_block_list *cache, bool sync); void f2fs_cache_wait_on_all_writeback(struct f2fs_cached_block_list *cache); void f2fs_cache_wait_writeback_cond(struct f2fs_cached_block *entry, diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 676a5559357f..2eb7614d3610 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -1918,30 +1918,19 @@ unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn, return compressed ? i - 1 : i; } -const struct address_space_operations f2fs_compress_aops = { - .release_folio = f2fs_release_folio, - .invalidate_folio = f2fs_invalidate_folio, - .migrate_folio = filemap_migrate_folio, -}; - -struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi) -{ - return sbi->compress_inode->i_mapping; -} - void f2fs_invalidate_compress_pages_range(struct f2fs_sb_info *sbi, block_t blkaddr, unsigned int len) { - if (!sbi->compress_inode) + if (!test_opt(sbi, COMPRESS_CACHE)) return; - invalidate_mapping_pages(COMPRESS_MAPPING(sbi), blkaddr, blkaddr + len - 1); + + f2fs_drop_cache_range(COMPRESS_CACHE(sbi), blkaddr, len, false); } static void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct folio *folio, nid_t ino, block_t blkaddr) { - struct folio *cfolio; - int ret; + struct f2fs_cached_block *entry; if (!test_opt(sbi, COMPRESS_CACHE)) return; @@ -1952,49 +1941,43 @@ static void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, if (!f2fs_available_free_memory(sbi, COMPRESS_PAGE)) return; - cfolio = filemap_get_folio(COMPRESS_MAPPING(sbi), blkaddr); - if (!IS_ERR(cfolio)) { - f2fs_folio_put(cfolio, false); + entry = f2fs_find_cache(COMPRESS_CACHE(sbi), blkaddr); + if (!IS_ERR(entry)) { + f2fs_put_cache(entry, false); return; } - cfolio = filemap_alloc_folio(__GFP_NOWARN | __GFP_IO, 0, NULL); - if (!cfolio) - return; - - ret = filemap_add_folio(COMPRESS_MAPPING(sbi), cfolio, - blkaddr, GFP_NOFS); - if (ret) { - f2fs_folio_put(cfolio, false); + entry = f2fs_grab_cache(COMPRESS_CACHE(sbi), blkaddr, + F2FS_CACHE_LOCK_CREATE); + if (IS_ERR(entry)) return; - } - - folio_set_f2fs_data(cfolio, ino); - memcpy(folio_address(cfolio), folio_address(folio), PAGE_SIZE); - folio_mark_uptodate(cfolio); - f2fs_folio_put(cfolio, true); + entry->ino = ino; + memcpy(cache_address(entry), folio_address(folio), PAGE_SIZE); + f2fs_cache_set_uptodate(entry); + f2fs_put_cache(entry, true); } bool f2fs_load_compressed_folio(struct f2fs_sb_info *sbi, struct folio *folio, block_t blkaddr) { - struct folio *cfolio; + struct f2fs_cached_block *entry; bool hitted = false; if (!test_opt(sbi, COMPRESS_CACHE)) return false; - cfolio = f2fs_filemap_get_folio(COMPRESS_MAPPING(sbi), - blkaddr, FGP_LOCK | FGP_NOWAIT, GFP_NOFS); - if (!IS_ERR(cfolio)) { - if (folio_test_uptodate(cfolio)) { + entry = f2fs_find_cache(COMPRESS_CACHE(sbi), blkaddr); + if (!IS_ERR(entry)) { + f2fs_lock_cache(entry); + if (f2fs_is_compress_cache(entry) && + f2fs_cache_test_uptodate(entry)) { atomic_inc(&sbi->compress_page_hit); memcpy(folio_address(folio), - folio_address(cfolio), folio_size(folio)); + cache_address(entry), folio_size(folio)); hitted = true; } - f2fs_folio_put(cfolio, true); + f2fs_put_cache(entry, true); } return hitted; @@ -2002,71 +1985,59 @@ bool f2fs_load_compressed_folio(struct f2fs_sb_info *sbi, struct folio *folio, void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino) { - struct address_space *mapping = COMPRESS_MAPPING(sbi); - struct folio_batch fbatch; - pgoff_t index = 0; - pgoff_t end = MAX_BLKADDR(sbi); + struct f2fs_cached_block_list *cache = COMPRESS_CACHE(sbi); + struct f2fs_cached_block *entries[F2FS_ONSTACK_CACHES]; + unsigned long flags; + pgoff_t index = 0, end = ULONG_MAX; + int nr; + int i; - if (!mapping->nrpages) + if (!test_opt(sbi, COMPRESS_CACHE)) return; - - folio_batch_init(&fbatch); - - do { - unsigned int nr, i; - - nr = filemap_get_folios(mapping, &index, end - 1, &fbatch); - if (!nr) +next: + spin_lock_irqsave(&cache->tree_lock, flags); + nr = radix_tree_gang_lookup(&cache->root, (void **)entries, index, + min((unsigned long)F2FS_ONSTACK_CACHES, end - index)); + if (!nr) + goto out_unlock; + + for (i = 0; i < nr; i++) { + struct f2fs_cached_block *entry = entries[i]; + + if (entry->index >= end) { + nr = i; break; + } + f2fs_cache_get(entry); + } +out_unlock: + spin_unlock_irqrestore(&cache->tree_lock, flags); + if (!nr) + return; + for (i = 0; i < nr; i++) { + struct f2fs_cached_block *entry = entries[i]; - for (i = 0; i < nr; i++) { - struct folio *folio = fbatch.folios[i]; + index = entry->index + 1; - folio_lock(folio); - if (folio->mapping != mapping) { - folio_unlock(folio); - continue; - } + if (IS_COMPRESS_CACHE(cache) && entry->ino != ino) + continue; - if (ino != folio_get_f2fs_data(folio)) { - folio_unlock(folio); - continue; - } + f2fs_truncate_cache(entry, false); + } + f2fs_cache_gang_release(entries, nr); - generic_error_remove_folio(mapping, folio); - folio_unlock(folio); - } - folio_batch_release(&fbatch); - cond_resched(); - } while (index < end); + if (index < end) + goto next; } -int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) +void f2fs_init_compress_cache_context(struct f2fs_sb_info *sbi) { - struct inode *inode; - if (!test_opt(sbi, COMPRESS_CACHE)) - return 0; - - inode = f2fs_iget(sbi->sb, F2FS_COMPRESS_INO(sbi)); - if (IS_ERR(inode)) - return PTR_ERR(inode); - sbi->compress_inode = inode; + return; sbi->compress_percent = COMPRESS_PERCENT; sbi->compress_watermark = COMPRESS_WATERMARK; - atomic_set(&sbi->compress_page_hit, 0); - - return 0; -} - -void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) -{ - if (!sbi->compress_inode) - return; - iput(sbi->compress_inode); - sbi->compress_inode = NULL; } int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index bedaade92677..8cd06f7ba9e7 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -225,8 +225,8 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->node_caches = NODE_CACHE(sbi)->num_entries; si->meta_caches = META_CACHE(sbi)->num_entries; #ifdef CONFIG_F2FS_FS_COMPRESSION - if (sbi->compress_inode) { - si->compress_pages = COMPRESS_MAPPING(sbi)->nrpages; + if (test_opt(sbi, COMPRESS_CACHE)) { + si->compress_pages = COMPRESS_CACHE(sbi)->num_entries; si->compress_page_hit = atomic_read(&sbi->compress_page_hit); } #endif @@ -386,10 +386,11 @@ static void update_mem_info(struct f2fs_sb_info *sbi) si->page_mem += (unsigned long long)NODE_CACHE(sbi)->num_entries << PAGE_SHIFT; si->cache_mem += NODE_CACHE(sbi)->num_entries * sizeof(struct f2fs_cached_block); #ifdef CONFIG_F2FS_FS_COMPRESSION - if (sbi->compress_inode) { - unsigned long npages = COMPRESS_MAPPING(sbi)->nrpages; + if (test_opt(sbi, COMPRESS_CACHE)) { + unsigned long npages = COMPRESS_CACHE(sbi)->num_entries; si->page_mem += (unsigned long long)npages << PAGE_SHIFT; + si->cache_mem += npages * sizeof(struct f2fs_cached_block); } #endif } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 36a6afbf3ba1..0a749a59f386 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2075,7 +2075,6 @@ struct f2fs_sb_info { u32 compr_new_inode; /* For compressed block cache */ - struct inode *compress_inode; /* cache compressed blocks */ unsigned int compress_percent; /* cache page percentage */ unsigned int compress_watermark; /* cache page watermark */ atomic_t compress_page_hit; /* cache hit count */ @@ -4817,13 +4816,11 @@ unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn, int f2fs_init_compress_ctx(struct compress_ctx *cc); void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse); void f2fs_init_compress_info(struct f2fs_sb_info *sbi); -int f2fs_init_compress_inode(struct f2fs_sb_info *sbi); -void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi); +void f2fs_init_compress_cache_context(struct f2fs_sb_info *sbi); int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi); void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi); int __init f2fs_init_compress_cache(void); void f2fs_destroy_compress_cache(void); -struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi); void f2fs_invalidate_compress_pages_range(struct f2fs_sb_info *sbi, block_t blkaddr, unsigned int len); bool f2fs_load_compressed_folio(struct f2fs_sb_info *sbi, struct folio *folio, @@ -4872,8 +4869,7 @@ static inline void f2fs_put_folio_dic(struct folio *folio, bool in_task) static inline unsigned int f2fs_cluster_blocks_are_contiguous( struct dnode_of_data *dn, unsigned int ofs_in_node) { return 0; } static inline bool f2fs_sanity_check_cluster(struct dnode_of_data *dn) { return false; } -static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; } -static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { } +static inline void f2fs_init_compress_cache_context(struct f2fs_sb_info *sbi) { } static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; } static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { } static inline int __init f2fs_init_compress_cache(void) { return 0; } diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 421788a9ea24..579da36b600d 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -573,15 +573,6 @@ static int do_read_inode(struct inode *inode) return 0; } -static bool is_meta_ino(struct f2fs_sb_info *sbi, unsigned int ino) -{ -#ifdef CONFIG_F2FS_FS_COMPRESSION - if (test_opt(sbi, COMPRESS_CACHE) && ino == F2FS_COMPRESS_INO(sbi)) - return true; -#endif - return false; -} - struct inode *f2fs_iget(struct super_block *sb, unsigned long ino) { struct f2fs_sb_info *sbi = F2FS_SB(sb); @@ -593,42 +584,17 @@ struct inode *f2fs_iget(struct super_block *sb, unsigned long ino) return ERR_PTR(-ENOMEM); if (!(inode_state_read_once(inode) & I_NEW)) { - if (is_meta_ino(sbi, ino)) { - f2fs_err(sbi, "inaccessible inode: %lu, run fsck to repair", ino); - set_sbi_flag(sbi, SBI_NEED_FSCK); - ret = -EFSCORRUPTED; - trace_f2fs_iget_exit(inode, ret); - iput(inode); - f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE); - fserror_report_file_metadata(inode, ret, GFP_NOFS); - return ERR_PTR(ret); - } - trace_f2fs_iget(inode); return inode; } - if (is_meta_ino(sbi, ino)) - goto make_now; - ret = do_read_inode(inode); if (ret) goto bad_inode; -make_now: + f2fs_set_inode_flags(inode); - if (ino == F2FS_COMPRESS_INO(sbi)) { -#ifdef CONFIG_F2FS_FS_COMPRESSION - inode->i_mapping->a_ops = &f2fs_compress_aops; - /* - * generic_error_remove_folio only truncates pages of regular - * inode - */ - inode->i_mode |= S_IFREG; -#endif - mapping_set_gfp_mask(inode->i_mapping, - GFP_NOFS | __GFP_HIGHMEM | __GFP_MOVABLE); - } else if (S_ISREG(inode->i_mode)) { + if (S_ISREG(inode->i_mode)) { inode->i_op = &f2fs_file_inode_operations; inode->i_fop = &f2fs_file_operations; inode->i_mapping->a_ops = &f2fs_dblock_aops; @@ -879,7 +845,7 @@ static void f2fs_evict_inode_work(struct work_struct *work) /* * Return true, if we shouldn't go through post_evict_inode. */ -static bool f2fs_pre_evict_inode(struct inode *inode) +static void f2fs_pre_evict_inode(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_inode_info *fi = F2FS_I(inode); @@ -905,17 +871,12 @@ static bool f2fs_pre_evict_inode(struct inode *inode) test_opt(sbi, COMPRESS_CACHE) && f2fs_compressed_file(inode)) f2fs_invalidate_compress_pages(sbi, inode->i_ino); - if (inode->i_ino == F2FS_COMPRESS_INO(sbi)) - return true; - f2fs_bug_on(sbi, get_dirty_pages(inode)); f2fs_remove_dirty_inode(inode); f2fs_remove_donate_inode(inode); if (!IS_DEVICE_ALIASING(inode)) f2fs_destroy_extent_tree(inode); - - return false; } static void f2fs_delete_inode(struct inode *inode) @@ -1077,15 +1038,13 @@ static void f2fs_post_evict_inode(struct inode *inode) */ void f2fs_evict_inode(struct inode *inode) { - if (f2fs_pre_evict_inode(inode)) - goto clear_out; + f2fs_pre_evict_inode(inode); if (!inode->i_nlink && !is_bad_inode(inode)) f2fs_delete_inode(inode); f2fs_post_evict_inode(inode); -clear_out: fscrypt_put_encryption_info(inode); clear_inode(inode); } diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 9482c86b5506..4b611ed3d8ef 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -119,7 +119,7 @@ bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type) * exceed threshold, deny caching compress page. */ res = (free_ram > avail_ram * sbi->compress_watermark / 100) && - (COMPRESS_MAPPING(sbi)->nrpages < + (COMPRESS_CACHE(sbi)->num_entries < free_ram * sbi->compress_percent / 100); #else res = false; diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index ac3a94736a91..64c39286486d 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2028,8 +2028,6 @@ static void f2fs_put_super(struct super_block *sb) f2fs_bug_on(sbi, sbi->fsync_node_num); - f2fs_destroy_compress_inode(sbi); - f2fs_destroy_cache(COMPRESS_CACHE(sbi)); f2fs_destroy_cache(NODE_CACHE(sbi)); f2fs_destroy_cache(META_CACHE(sbi)); @@ -5257,6 +5255,8 @@ static int f2fs_fill_super(struct super_block *sb, struct fs_context *fc) f2fs_init_fsync_node_info(sbi); + f2fs_init_compress_cache_context(sbi); + /* setup checkpoint request control and start checkpoint issue thread */ f2fs_init_ckpt_req_control(sbi); if (!f2fs_readonly(sb) && !test_opt(sbi, DISABLE_CHECKPOINT) && @@ -5327,13 +5327,9 @@ static int f2fs_fill_super(struct super_block *sb, struct fs_context *fc) goto free_ino_entry; } - err = f2fs_init_compress_inode(sbi); - if (err) - goto free_root_inode; - err = f2fs_register_sysfs(sbi); if (err) - goto free_compress_inode; + goto free_root_inode; sbi->umount_lock_holder = current; #ifdef CONFIG_QUOTA @@ -5501,8 +5497,6 @@ static int f2fs_fill_super(struct super_block *sb, struct fs_context *fc) /* evict some inodes being cached by GC */ evict_inodes(sb); f2fs_unregister_sysfs(sbi); -free_compress_inode: - f2fs_destroy_compress_inode(sbi); free_root_inode: dput(sb->s_root); sb->s_root = NULL; @@ -5619,7 +5613,8 @@ static void kill_f2fs_super(struct super_block *sb) * compress inode cache. */ if (test_opt(sbi, COMPRESS_CACHE)) - truncate_inode_pages_final(COMPRESS_MAPPING(sbi)); + f2fs_invalidate_compress_pages_range(sbi, + 0, UINT_MAX); #endif if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 105cfeedea74..53344e1f2b44 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -34,7 +34,6 @@ #define F2FS_RESERVED_NODE_NUM 3 #define F2FS_ROOT_INO(sbi) ((sbi)->root_ino_num) -#define F2FS_COMPRESS_INO(sbi) (NM_I(sbi)->max_nid) #define F2FS_MAX_QUOTAS 3 -- 2.49.0