f2fs: use kvmalloc, if kmalloc is failed
One report says memalloc failure during mount. (unwind_backtrace) from [<c010cd4c>] (show_stack+0x10/0x14) (show_stack) from [<c049c6b8>] (dump_stack+0x8c/0xa0) (dump_stack) from [<c024fcf0>] (warn_alloc+0xc4/0x160) (warn_alloc) from [<c0250218>] (__alloc_pages_nodemask+0x3f4/0x10d0) (__alloc_pages_nodemask) from [<c0270450>] (kmalloc_order_trace+0x2c/0x120) (kmalloc_order_trace) from [<c03fa748>] (build_node_manager+0x35c/0x688) (build_node_manager) from [<c03de494>] (f2fs_fill_super+0xf0c/0x16cc) (f2fs_fill_super) from [<c02a5864>] (mount_bdev+0x15c/0x188) (mount_bdev) from [<c03da624>] (f2fs_mount+0x18/0x20) (f2fs_mount) from [<c02a68b8>] (mount_fs+0x158/0x19c) (mount_fs) from [<c02c3c9c>] (vfs_kern_mount+0x78/0x134) (vfs_kern_mount) from [<c02c76ac>] (do_mount+0x474/0xca4) (do_mount) from [<c02c8264>] (SyS_mount+0x94/0xbc) (SyS_mount) from [<c0108180>] (ret_fast_syscall+0x0/0x48) Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
parent
af56b48708
commit
5222595d09
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@ -160,7 +160,7 @@ static void *f2fs_acl_to_disk(struct f2fs_sb_info *sbi,
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return (void *)f2fs_acl;
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fail:
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kfree(f2fs_acl);
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kvfree(f2fs_acl);
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return ERR_PTR(-EINVAL);
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}
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@ -190,7 +190,7 @@ static struct posix_acl *__f2fs_get_acl(struct inode *inode, int type,
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acl = NULL;
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else
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acl = ERR_PTR(retval);
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kfree(value);
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kvfree(value);
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return acl;
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}
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@ -240,7 +240,7 @@ static int __f2fs_set_acl(struct inode *inode, int type,
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error = f2fs_setxattr(inode, name_index, "", value, size, ipage, 0);
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kfree(value);
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kvfree(value);
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if (!error)
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set_cached_acl(inode, type, acl);
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@ -911,7 +911,7 @@ int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi)
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f2fs_put_page(cp1, 1);
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f2fs_put_page(cp2, 1);
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fail_no_cp:
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kfree(sbi->ckpt);
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kvfree(sbi->ckpt);
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return -EINVAL;
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}
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@ -2573,7 +2573,7 @@ static void f2fs_dio_end_io(struct bio *bio)
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bio->bi_private = dio->orig_private;
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bio->bi_end_io = dio->orig_end_io;
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kfree(dio);
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kvfree(dio);
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bio_endio(bio);
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}
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@ -503,7 +503,7 @@ void f2fs_destroy_stats(struct f2fs_sb_info *sbi)
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list_del(&si->stat_list);
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mutex_unlock(&f2fs_stat_mutex);
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kfree(si);
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kvfree(si);
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}
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int __init f2fs_create_root_stats(void)
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@ -1630,7 +1630,7 @@ static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock)
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if (lock)
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spin_lock_irqsave(&sbi->cp_lock, flags);
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__clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG);
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kfree(NM_I(sbi)->nat_bits);
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kvfree(NM_I(sbi)->nat_bits);
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NM_I(sbi)->nat_bits = NULL;
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if (lock)
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spin_unlock_irqrestore(&sbi->cp_lock, flags);
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@ -2704,12 +2704,18 @@ static inline bool f2fs_may_extent_tree(struct inode *inode)
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static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
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size_t size, gfp_t flags)
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{
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void *ret;
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if (time_to_inject(sbi, FAULT_KMALLOC)) {
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f2fs_show_injection_info(FAULT_KMALLOC);
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return NULL;
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}
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return kmalloc(size, flags);
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ret = kmalloc(size, flags);
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if (ret)
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return ret;
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return kvmalloc(size, flags);
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}
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static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi,
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@ -142,7 +142,7 @@ int f2fs_start_gc_thread(struct f2fs_sb_info *sbi)
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"f2fs_gc-%u:%u", MAJOR(dev), MINOR(dev));
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if (IS_ERR(gc_th->f2fs_gc_task)) {
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err = PTR_ERR(gc_th->f2fs_gc_task);
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kfree(gc_th);
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kvfree(gc_th);
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sbi->gc_thread = NULL;
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}
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out:
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@ -155,7 +155,7 @@ void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi)
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if (!gc_th)
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return;
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kthread_stop(gc_th->f2fs_gc_task);
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kfree(gc_th);
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kvfree(gc_th);
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sbi->gc_thread = NULL;
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}
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@ -501,7 +501,7 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
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stat_dec_inline_dir(dir);
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clear_inode_flag(dir, FI_INLINE_DENTRY);
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kfree(backup_dentry);
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kvfree(backup_dentry);
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return 0;
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recover:
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lock_page(ipage);
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@ -512,7 +512,7 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
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set_page_dirty(ipage);
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f2fs_put_page(ipage, 1);
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kfree(backup_dentry);
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kvfree(backup_dentry);
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return err;
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}
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@ -635,7 +635,7 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
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f2fs_handle_failed_inode(inode);
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out_free_encrypted_link:
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if (disk_link.name != (unsigned char *)symname)
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kfree(disk_link.name);
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kvfree(disk_link.name);
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return err;
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}
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@ -3116,17 +3116,17 @@ void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi)
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for (i = 0; i < nm_i->nat_blocks; i++)
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kvfree(nm_i->free_nid_bitmap[i]);
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kfree(nm_i->free_nid_bitmap);
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kvfree(nm_i->free_nid_bitmap);
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}
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kvfree(nm_i->free_nid_count);
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kfree(nm_i->nat_bitmap);
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kfree(nm_i->nat_bits);
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kvfree(nm_i->nat_bitmap);
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kvfree(nm_i->nat_bits);
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#ifdef CONFIG_F2FS_CHECK_FS
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kfree(nm_i->nat_bitmap_mir);
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kvfree(nm_i->nat_bitmap_mir);
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#endif
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sbi->nm_info = NULL;
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kfree(nm_i);
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kvfree(nm_i);
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}
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int __init f2fs_create_node_manager_caches(void)
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@ -706,7 +706,7 @@ int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi)
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"f2fs_flush-%u:%u", MAJOR(dev), MINOR(dev));
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if (IS_ERR(fcc->f2fs_issue_flush)) {
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err = PTR_ERR(fcc->f2fs_issue_flush);
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kfree(fcc);
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kvfree(fcc);
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SM_I(sbi)->fcc_info = NULL;
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return err;
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}
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@ -725,7 +725,7 @@ void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free)
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kthread_stop(flush_thread);
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}
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if (free) {
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kfree(fcc);
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kvfree(fcc);
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SM_I(sbi)->fcc_info = NULL;
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}
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}
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@ -2013,7 +2013,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
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"f2fs_discard-%u:%u", MAJOR(dev), MINOR(dev));
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if (IS_ERR(dcc->f2fs_issue_discard)) {
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err = PTR_ERR(dcc->f2fs_issue_discard);
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kfree(dcc);
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kvfree(dcc);
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SM_I(sbi)->dcc_info = NULL;
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return err;
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}
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@ -2030,7 +2030,7 @@ static void destroy_discard_cmd_control(struct f2fs_sb_info *sbi)
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f2fs_stop_discard_thread(sbi);
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kfree(dcc);
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kvfree(dcc);
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SM_I(sbi)->dcc_info = NULL;
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}
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@ -4317,7 +4317,7 @@ static void destroy_dirty_segmap(struct f2fs_sb_info *sbi)
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destroy_victim_secmap(sbi);
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SM_I(sbi)->dirty_info = NULL;
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kfree(dirty_i);
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kvfree(dirty_i);
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}
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static void destroy_curseg(struct f2fs_sb_info *sbi)
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@ -4329,10 +4329,10 @@ static void destroy_curseg(struct f2fs_sb_info *sbi)
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return;
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SM_I(sbi)->curseg_array = NULL;
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for (i = 0; i < NR_CURSEG_TYPE; i++) {
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kfree(array[i].sum_blk);
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kfree(array[i].journal);
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kvfree(array[i].sum_blk);
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kvfree(array[i].journal);
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}
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kfree(array);
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kvfree(array);
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}
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static void destroy_free_segmap(struct f2fs_sb_info *sbi)
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SM_I(sbi)->free_info = NULL;
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kvfree(free_i->free_segmap);
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kvfree(free_i->free_secmap);
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kfree(free_i);
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kvfree(free_i);
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}
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static void destroy_sit_info(struct f2fs_sb_info *sbi)
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@ -4356,26 +4356,26 @@ static void destroy_sit_info(struct f2fs_sb_info *sbi)
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if (sit_i->sentries) {
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for (start = 0; start < MAIN_SEGS(sbi); start++) {
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kfree(sit_i->sentries[start].cur_valid_map);
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kvfree(sit_i->sentries[start].cur_valid_map);
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#ifdef CONFIG_F2FS_CHECK_FS
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kfree(sit_i->sentries[start].cur_valid_map_mir);
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kvfree(sit_i->sentries[start].cur_valid_map_mir);
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#endif
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kfree(sit_i->sentries[start].ckpt_valid_map);
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kfree(sit_i->sentries[start].discard_map);
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kvfree(sit_i->sentries[start].ckpt_valid_map);
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kvfree(sit_i->sentries[start].discard_map);
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}
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}
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kfree(sit_i->tmp_map);
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kvfree(sit_i->tmp_map);
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kvfree(sit_i->sentries);
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kvfree(sit_i->sec_entries);
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kvfree(sit_i->dirty_sentries_bitmap);
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SM_I(sbi)->sit_info = NULL;
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kfree(sit_i->sit_bitmap);
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kvfree(sit_i->sit_bitmap);
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#ifdef CONFIG_F2FS_CHECK_FS
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kfree(sit_i->sit_bitmap_mir);
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kvfree(sit_i->sit_bitmap_mir);
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#endif
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kfree(sit_i);
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kvfree(sit_i);
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}
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void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi)
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destroy_free_segmap(sbi);
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destroy_sit_info(sbi);
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sbi->sm_info = NULL;
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kfree(sm_info);
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kvfree(sm_info);
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}
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int __init f2fs_create_segment_manager_caches(void)
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@ -289,7 +289,7 @@ static int f2fs_set_qf_name(struct super_block *sb, int qtype,
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set_opt(sbi, QUOTA);
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return 0;
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errout:
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kfree(qname);
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kvfree(qname);
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return ret;
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}
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@ -302,7 +302,7 @@ static int f2fs_clear_qf_name(struct super_block *sb, int qtype)
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" when quota turned on");
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return -EINVAL;
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}
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kfree(F2FS_OPTION(sbi).s_qf_names[qtype]);
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kvfree(F2FS_OPTION(sbi).s_qf_names[qtype]);
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F2FS_OPTION(sbi).s_qf_names[qtype] = NULL;
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return 0;
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}
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@ -399,10 +399,10 @@ static int parse_options(struct super_block *sb, char *options)
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set_opt(sbi, BG_GC);
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set_opt(sbi, FORCE_FG_GC);
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} else {
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kfree(name);
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kvfree(name);
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return -EINVAL;
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}
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kfree(name);
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kvfree(name);
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break;
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case Opt_disable_roll_forward:
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set_opt(sbi, DISABLE_ROLL_FORWARD);
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@ -570,7 +570,7 @@ static int parse_options(struct super_block *sb, char *options)
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f2fs_msg(sb, KERN_WARNING,
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"adaptive mode is not allowed with "
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"zoned block device feature");
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kfree(name);
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kvfree(name);
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return -EINVAL;
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}
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set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE);
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@ -578,10 +578,10 @@ static int parse_options(struct super_block *sb, char *options)
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!strncmp(name, "lfs", 3)) {
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set_opt_mode(sbi, F2FS_MOUNT_LFS);
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} else {
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kfree(name);
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kvfree(name);
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return -EINVAL;
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}
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kfree(name);
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kvfree(name);
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break;
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case Opt_io_size_bits:
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if (args->from && match_int(args, &arg))
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@ -714,10 +714,10 @@ static int parse_options(struct super_block *sb, char *options)
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!strncmp(name, "fs-based", 8)) {
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F2FS_OPTION(sbi).whint_mode = WHINT_MODE_FS;
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} else {
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kfree(name);
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kvfree(name);
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return -EINVAL;
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}
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kfree(name);
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kvfree(name);
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break;
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case Opt_alloc:
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name = match_strdup(&args[0]);
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@ -731,10 +731,10 @@ static int parse_options(struct super_block *sb, char *options)
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!strncmp(name, "reuse", 5)) {
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F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE;
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} else {
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kfree(name);
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kvfree(name);
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return -EINVAL;
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}
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kfree(name);
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kvfree(name);
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break;
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case Opt_fsync:
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name = match_strdup(&args[0]);
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@ -751,10 +751,10 @@ static int parse_options(struct super_block *sb, char *options)
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F2FS_OPTION(sbi).fsync_mode =
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FSYNC_MODE_NOBARRIER;
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} else {
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kfree(name);
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kvfree(name);
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return -EINVAL;
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}
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kfree(name);
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kvfree(name);
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break;
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case Opt_test_dummy_encryption:
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#ifdef CONFIG_F2FS_FS_ENCRYPTION
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@ -783,10 +783,10 @@ static int parse_options(struct super_block *sb, char *options)
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!strncmp(name, "disable", 7)) {
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set_opt(sbi, DISABLE_CHECKPOINT);
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} else {
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kfree(name);
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kvfree(name);
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return -EINVAL;
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}
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kfree(name);
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kvfree(name);
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break;
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default:
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f2fs_msg(sb, KERN_ERR,
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@ -1017,10 +1017,10 @@ static void destroy_device_list(struct f2fs_sb_info *sbi)
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for (i = 0; i < sbi->s_ndevs; i++) {
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blkdev_put(FDEV(i).bdev, FMODE_EXCL);
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#ifdef CONFIG_BLK_DEV_ZONED
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kfree(FDEV(i).blkz_type);
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kvfree(FDEV(i).blkz_type);
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#endif
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}
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kfree(sbi->devs);
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kvfree(sbi->devs);
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}
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static void f2fs_put_super(struct super_block *sb)
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@ -1084,25 +1084,25 @@ static void f2fs_put_super(struct super_block *sb)
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f2fs_destroy_node_manager(sbi);
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f2fs_destroy_segment_manager(sbi);
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kfree(sbi->ckpt);
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kvfree(sbi->ckpt);
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f2fs_unregister_sysfs(sbi);
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sb->s_fs_info = NULL;
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if (sbi->s_chksum_driver)
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crypto_free_shash(sbi->s_chksum_driver);
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kfree(sbi->raw_super);
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kvfree(sbi->raw_super);
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destroy_device_list(sbi);
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mempool_destroy(sbi->write_io_dummy);
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#ifdef CONFIG_QUOTA
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for (i = 0; i < MAXQUOTAS; i++)
|
||||
kfree(F2FS_OPTION(sbi).s_qf_names[i]);
|
||||
kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
|
||||
#endif
|
||||
destroy_percpu_info(sbi);
|
||||
for (i = 0; i < NR_PAGE_TYPE; i++)
|
||||
kfree(sbi->write_io[i]);
|
||||
kfree(sbi);
|
||||
kvfree(sbi->write_io[i]);
|
||||
kvfree(sbi);
|
||||
}
|
||||
|
||||
int f2fs_sync_fs(struct super_block *sb, int sync)
|
||||
|
@ -1531,7 +1531,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
|
|||
GFP_KERNEL);
|
||||
if (!org_mount_opt.s_qf_names[i]) {
|
||||
for (j = 0; j < i; j++)
|
||||
kfree(org_mount_opt.s_qf_names[j]);
|
||||
kvfree(org_mount_opt.s_qf_names[j]);
|
||||
return -ENOMEM;
|
||||
}
|
||||
} else {
|
||||
|
@ -1651,7 +1651,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
|
|||
#ifdef CONFIG_QUOTA
|
||||
/* Release old quota file names */
|
||||
for (i = 0; i < MAXQUOTAS; i++)
|
||||
kfree(org_mount_opt.s_qf_names[i]);
|
||||
kvfree(org_mount_opt.s_qf_names[i]);
|
||||
#endif
|
||||
/* Update the POSIXACL Flag */
|
||||
sb->s_flags = (sb->s_flags & ~SB_POSIXACL) |
|
||||
|
@ -1672,7 +1672,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
|
|||
#ifdef CONFIG_QUOTA
|
||||
F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt;
|
||||
for (i = 0; i < MAXQUOTAS; i++) {
|
||||
kfree(F2FS_OPTION(sbi).s_qf_names[i]);
|
||||
kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
|
||||
F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i];
|
||||
}
|
||||
#endif
|
||||
|
@ -2800,7 +2800,7 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
|
|||
}
|
||||
}
|
||||
|
||||
kfree(zones);
|
||||
kvfree(zones);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
@ -2860,7 +2860,7 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
|
|||
|
||||
/* No valid superblock */
|
||||
if (!*raw_super)
|
||||
kfree(super);
|
||||
kvfree(super);
|
||||
else
|
||||
err = 0;
|
||||
|
||||
|
@ -3369,7 +3369,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
|
|||
if (err)
|
||||
goto free_meta;
|
||||
}
|
||||
kfree(options);
|
||||
kvfree(options);
|
||||
|
||||
/* recover broken superblock */
|
||||
if (recovery) {
|
||||
|
@ -3418,7 +3418,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
|
|||
f2fs_destroy_segment_manager(sbi);
|
||||
free_devices:
|
||||
destroy_device_list(sbi);
|
||||
kfree(sbi->ckpt);
|
||||
kvfree(sbi->ckpt);
|
||||
free_meta_inode:
|
||||
make_bad_inode(sbi->meta_inode);
|
||||
iput(sbi->meta_inode);
|
||||
|
@ -3428,19 +3428,19 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
|
|||
destroy_percpu_info(sbi);
|
||||
free_bio_info:
|
||||
for (i = 0; i < NR_PAGE_TYPE; i++)
|
||||
kfree(sbi->write_io[i]);
|
||||
kvfree(sbi->write_io[i]);
|
||||
free_options:
|
||||
#ifdef CONFIG_QUOTA
|
||||
for (i = 0; i < MAXQUOTAS; i++)
|
||||
kfree(F2FS_OPTION(sbi).s_qf_names[i]);
|
||||
kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
|
||||
#endif
|
||||
kfree(options);
|
||||
kvfree(options);
|
||||
free_sb_buf:
|
||||
kfree(raw_super);
|
||||
kvfree(raw_super);
|
||||
free_sbi:
|
||||
if (sbi->s_chksum_driver)
|
||||
crypto_free_shash(sbi->s_chksum_driver);
|
||||
kfree(sbi);
|
||||
kvfree(sbi);
|
||||
|
||||
/* give only one another chance */
|
||||
if (retry) {
|
||||
|
|
Loading…
Reference in New Issue
Block a user