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In "lfs" mode, there should be no random diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 1e0164cde23d..eb228c2f2176 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -372,7 +372,7 @@ static int f2fs_write_meta_pages(struct address_space *mapping, goto skip_write; /* if locked failed, cp will flush dirty pages instead */ - if (!f2fs_down_write_trylock(&sbi->cp_global_sem)) + if (!f2fs_down_write_trylock(sbi, &sbi->cp_global_sem)) goto skip_write; trace_f2fs_writepages(mapping->host, wbc, META); @@ -1185,7 +1185,7 @@ static bool __need_flush_quota(struct f2fs_sb_info *sbi) if (!is_journalled_quota(sbi)) return false; - if (!f2fs_down_write_trylock(&sbi->quota_sem)) + if (!f2fs_down_write_trylock(sbi, &sbi->quota_sem)) return true; if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH)) { ret = false; @@ -1231,7 +1231,7 @@ static int block_operations(struct f2fs_sb_info *sbi) f2fs_unlock_all(sbi); /* only failed during mount/umount/freeze/quotactl */ - locked = down_read_trylock(&sbi->sb->s_umount); + locked = f2fs_raw_down_read_trylock(sbi, &sbi->sb->s_umount); f2fs_quota_sync(sbi->sb, -1); if (locked) up_read(&sbi->sb->s_umount); diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 3182e1506252..c5b82e8efd0b 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -1242,7 +1242,7 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc, * checkpoint. This can only happen to quota writes which can cause * the below discard race condition. */ - f2fs_down_read(&sbi->node_write); + f2fs_down_read(sbi, &sbi->node_write); } else if (!f2fs_trylock_op(sbi)) { goto out_free; } diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 6bcd71a0dbac..dfece6f1a31f 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -680,7 +680,7 @@ static void __submit_merged_write_cond(struct f2fs_sb_info *sbi, enum page_type btype = PAGE_TYPE_OF_BIO(type); struct f2fs_bio_info *io = sbi->write_io[btype] + temp; - f2fs_down_read(&io->io_rwsem); + f2fs_down_read(sbi, &io->io_rwsem); ret = __has_merged_page(io->bio, inode, page, ino); f2fs_up_read(&io->io_rwsem); } @@ -882,7 +882,7 @@ void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi, if (list_empty(head)) continue; - f2fs_down_read(&io->bio_list_lock); + f2fs_down_read(sbi, &io->bio_list_lock); list_for_each_entry(be, head, list) { if (target) found = (target == be->bio); @@ -1441,7 +1441,7 @@ static int __allocate_data_block(struct dnode_of_data *dn, int seg_type) static void f2fs_map_lock(struct f2fs_sb_info *sbi, int flag) { if (flag == F2FS_GET_BLOCK_PRE_AIO) - f2fs_down_read(&sbi->node_change); + f2fs_down_read(sbi, &sbi->node_change); else f2fs_lock_op(sbi); } @@ -2828,7 +2828,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted, * the below discard race condition. */ if (IS_NOQUOTA(inode)) - f2fs_down_read(&sbi->node_write); + f2fs_down_read(sbi, &sbi->node_write); fio.need_lock = LOCK_DONE; err = f2fs_do_write_data_page(&fio); diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c index 9a8153895d20..27b1ac2b954f 100644 --- a/fs/f2fs/extent_cache.c +++ b/fs/f2fs/extent_cache.c @@ -909,7 +909,7 @@ static unsigned int __shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink if (!atomic_read(&eti->total_zombie_tree)) goto free_node; - if (!mutex_trylock(&eti->extent_tree_lock)) + if (!f2fs_mutex_trylock(sbi, &eti->extent_tree_lock)) goto out; /* 1. remove unreferenced extent tree */ @@ -935,7 +935,7 @@ static unsigned int __shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink free_node: /* 2. remove LRU extent entries */ - if (!mutex_trylock(&eti->extent_tree_lock)) + if (!f2fs_mutex_trylock(sbi, &eti->extent_tree_lock)) goto out; remained = nr_shrink - (node_cnt + tree_cnt); @@ -947,7 +947,7 @@ static unsigned int __shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink en = list_first_entry(&eti->extent_list, struct extent_node, list); et = en->et; - if (!write_trylock(&et->lock)) { + if (!f2fs_write_trylock(sbi, &et->lock)) { /* refresh this extent node's position in extent list */ list_move_tail(&en->list, &eti->extent_list); continue; diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index e73fefe0d8fb..8d5124569a03 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -61,6 +61,7 @@ enum { FAULT_DQUOT_INIT, FAULT_LOCK_OP, FAULT_BLKADDR, + FAULT_LOCK, FAULT_MAX, }; @@ -2160,27 +2161,76 @@ static inline int f2fs_rwsem_is_contended(struct f2fs_rwsem *sem) return rwsem_is_contended(&sem->internal_rwsem); } -static inline void f2fs_down_read(struct f2fs_rwsem *sem) +static inline int f2fs_down_read_trylock(struct f2fs_sb_info *sbi, + struct f2fs_rwsem *sem) +{ + if (time_to_inject(sbi, FAULT_LOCK)) + return 0; + return down_read_trylock(&sem->internal_rwsem); +} + +static inline void f2fs_down_read(struct f2fs_sb_info *sbi, struct f2fs_rwsem *sem) { #ifdef CONFIG_F2FS_UNFAIR_RWSEM - wait_event(sem->read_waiters, down_read_trylock(&sem->internal_rwsem)); + wait_event(sem->read_waiters, f2fs_down_read_trylock(sbi, &sem->internal_rwsem)); #else down_read(&sem->internal_rwsem); #endif } -static inline int f2fs_down_read_trylock(struct f2fs_rwsem *sem) +static inline int f2fs_raw_down_read_trylock(struct f2fs_sb_info *sbi, + struct rw_semaphore *sem) { - return down_read_trylock(&sem->internal_rwsem); + if (time_to_inject(sbi, FAULT_LOCK)) + return 0; + return down_read_trylock(sem); +} + +static inline int f2fs_inode_trylock(struct f2fs_sb_info *sbi, + struct inode *inode) +{ + if (time_to_inject(sbi, FAULT_LOCK)) + return 0; + return down_write_trylock(&inode->i_rwsem); +} + +static inline int f2fs_mutex_trylock(struct f2fs_sb_info *sbi, + struct mutex *lock) +{ + if (time_to_inject(sbi, FAULT_LOCK)) + return 0; + return mutex_trylock(lock); +} + +static inline int f2fs_trylock_page(struct f2fs_sb_info *sbi, struct page *page) +{ + if (time_to_inject(sbi, FAULT_LOCK)) + return 0; + return trylock_page(page); +} + +static inline int f2fs_write_trylock(struct f2fs_sb_info *sbi, rwlock_t *lock) +{ + if (time_to_inject(sbi, FAULT_LOCK)) + return 0; + return write_trylock(lock); +} + +static inline bool f2fs_sb_start_write_trylock(struct f2fs_sb_info *sbi) +{ + if (time_to_inject(sbi, FAULT_LOCK)) + return 0; + return sb_start_write_trylock(sbi->sb); } #ifdef CONFIG_DEBUG_LOCK_ALLOC -static inline void f2fs_down_read_nested(struct f2fs_rwsem *sem, int subclass) +static inline void f2fs_down_read_nested(struct f2fs_sb_info *sbi, + struct f2fs_rwsem *sem, int subclass) { down_read_nested(&sem->internal_rwsem, subclass); } #else -#define f2fs_down_read_nested(sem, subclass) f2fs_down_read(sem) +#define f2fs_down_read_nested(sbi, sem, subclass) f2fs_down_read(sbi, sem) #endif static inline void f2fs_up_read(struct f2fs_rwsem *sem) @@ -2193,8 +2243,11 @@ static inline void f2fs_down_write(struct f2fs_rwsem *sem) down_write(&sem->internal_rwsem); } -static inline int f2fs_down_write_trylock(struct f2fs_rwsem *sem) +static inline int f2fs_down_write_trylock(struct f2fs_sb_info *sbi, + struct f2fs_rwsem *sem) { + if (time_to_inject(sbi, FAULT_LOCK)) + return 0; return down_write_trylock(&sem->internal_rwsem); } @@ -2208,14 +2261,16 @@ static inline void f2fs_up_write(struct f2fs_rwsem *sem) static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) { - f2fs_down_read(&sbi->cp_rwsem); + f2fs_down_read(sbi, &sbi->cp_rwsem); } static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) { + struct f2fs_rwsem *sem = &sbi->cp_rwsem; + if (time_to_inject(sbi, FAULT_LOCK_OP)) return 0; - return f2fs_down_read_trylock(&sbi->cp_rwsem); + return down_read_trylock(&sem->internal_rwsem); } static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 14e9a20e68df..6d4fb662b593 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -316,7 +316,7 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end, * Both of fdatasync() and fsync() are able to be recovered from * sudden-power-off. */ - f2fs_down_read(&F2FS_I(inode)->i_sem); + f2fs_down_read(sbi, &F2FS_I(inode)->i_sem); cp_reason = need_do_checkpoint(inode); f2fs_up_read(&F2FS_I(inode)->i_sem); @@ -2462,7 +2462,7 @@ static int f2fs_ioc_gc(struct file *filp, unsigned long arg) return ret; if (!sync) { - if (!f2fs_down_write_trylock(&sbi->gc_lock)) { + if (!f2fs_down_write_trylock(sbi, &sbi->gc_lock)) { ret = -EBUSY; goto out; } @@ -2506,7 +2506,7 @@ static int __f2fs_ioc_gc_range(struct file *filp, struct f2fs_gc_range *range) do_more: if (!range->sync) { - if (!f2fs_down_write_trylock(&sbi->gc_lock)) { + if (!f2fs_down_write_trylock(sbi, &sbi->gc_lock)) { ret = -EBUSY; goto out; } @@ -2801,7 +2801,7 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in, inode_lock(src); if (src != dst) { ret = -EBUSY; - if (!inode_trylock(dst)) + if (!f2fs_inode_trylock(sbi, dst)) goto out; } @@ -2851,7 +2851,7 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in, f2fs_down_write(&F2FS_I(src)->i_gc_rwsem[WRITE]); if (src != dst) { ret = -EBUSY; - if (!f2fs_down_write_trylock(&F2FS_I(dst)->i_gc_rwsem[WRITE])) + if (!f2fs_down_write_trylock(sbi, &F2FS_I(dst)->i_gc_rwsem[WRITE])) goto out_src; } @@ -2971,7 +2971,7 @@ static int f2fs_ioc_flush_device(struct file *filp, unsigned long arg) end_segno = min(start_segno + range.segments, dev_end_segno); while (start_segno < end_segno) { - if (!f2fs_down_write_trylock(&sbi->gc_lock)) { + if (!f2fs_down_write_trylock(sbi, &sbi->gc_lock)) { ret = -EBUSY; goto out; } @@ -3321,7 +3321,7 @@ static int f2fs_ioc_getfslabel(struct file *filp, unsigned long arg) if (!vbuf) return -ENOMEM; - f2fs_down_read(&sbi->sb_lock); + f2fs_down_read(sbi, &sbi->sb_lock); count = utf16s_to_utf8s(sbi->raw_super->volume_name, ARRAY_SIZE(sbi->raw_super->volume_name), UTF16_LITTLE_ENDIAN, vbuf, MAX_VOLUME_NAME); @@ -4331,12 +4331,12 @@ static ssize_t f2fs_dio_read_iter(struct kiocb *iocb, struct iov_iter *to) trace_f2fs_direct_IO_enter(inode, iocb, count, READ); if (iocb->ki_flags & IOCB_NOWAIT) { - if (!f2fs_down_read_trylock(&fi->i_gc_rwsem[READ])) { + if (!f2fs_down_read_trylock(sbi, &fi->i_gc_rwsem[READ])) { ret = -EAGAIN; goto out; } } else { - f2fs_down_read(&fi->i_gc_rwsem[READ]); + f2fs_down_read(sbi, &fi->i_gc_rwsem[READ]); } /* @@ -4578,11 +4578,11 @@ static ssize_t f2fs_dio_write_iter(struct kiocb *iocb, struct iov_iter *from, goto out; } - if (!f2fs_down_read_trylock(&fi->i_gc_rwsem[WRITE])) { + if (!f2fs_down_read_trylock(sbi, &fi->i_gc_rwsem[WRITE])) { ret = -EAGAIN; goto out; } - if (do_opu && !f2fs_down_read_trylock(&fi->i_gc_rwsem[READ])) { + if (do_opu && !f2fs_down_read_trylock(sbi, &fi->i_gc_rwsem[READ])) { f2fs_up_read(&fi->i_gc_rwsem[WRITE]); ret = -EAGAIN; goto out; @@ -4592,9 +4592,9 @@ static ssize_t f2fs_dio_write_iter(struct kiocb *iocb, struct iov_iter *from, if (ret) goto out; - f2fs_down_read(&fi->i_gc_rwsem[WRITE]); + f2fs_down_read(sbi, &fi->i_gc_rwsem[WRITE]); if (do_opu) - f2fs_down_read(&fi->i_gc_rwsem[READ]); + f2fs_down_read(sbi, &fi->i_gc_rwsem[READ]); } /* @@ -4671,13 +4671,14 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) struct inode *inode = file_inode(iocb->ki_filp); const loff_t orig_pos = iocb->ki_pos; const size_t orig_count = iov_iter_count(from); + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); loff_t target_size; bool dio; bool may_need_sync = true; int preallocated; ssize_t ret; - if (unlikely(f2fs_cp_error(F2FS_I_SB(inode)))) { + if (unlikely(f2fs_cp_error(sbi))) { ret = -EIO; goto out; } @@ -4688,7 +4689,7 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) } if (iocb->ki_flags & IOCB_NOWAIT) { - if (!inode_trylock(inode)) { + if (!f2fs_inode_trylock(sbi, inode)) { ret = -EAGAIN; goto out; } diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 7e97e4284db5..f1e0e01a5dd1 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -76,7 +76,7 @@ static int gc_thread_func(void *data) f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_FAULT_INJECT); - if (!sb_start_write_trylock(sbi->sb)) { + if (!f2fs_sb_start_write_trylock(sbi)) { stat_other_skip_bggc_count(sbi); continue; } @@ -104,7 +104,7 @@ static int gc_thread_func(void *data) if (foreground) { f2fs_down_write(&sbi->gc_lock); goto do_gc; - } else if (!f2fs_down_write_trylock(&sbi->gc_lock)) { + } else if (!f2fs_down_write_trylock(sbi, &sbi->gc_lock)) { stat_other_skip_bggc_count(sbi); goto next; } @@ -1577,7 +1577,7 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, return submitted; } - if (!f2fs_down_write_trylock( + if (!f2fs_down_write_trylock(sbi, &F2FS_I(inode)->i_gc_rwsem[WRITE])) { iput(inode); sbi->skipped_gc_rwsem++; @@ -1620,11 +1620,11 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, int err; if (S_ISREG(inode->i_mode)) { - if (!f2fs_down_write_trylock(&fi->i_gc_rwsem[READ])) { + if (!f2fs_down_write_trylock(sbi, &fi->i_gc_rwsem[READ])) { sbi->skipped_gc_rwsem++; continue; } - if (!f2fs_down_write_trylock( + if (!f2fs_down_write_trylock(sbi, &fi->i_gc_rwsem[WRITE])) { sbi->skipped_gc_rwsem++; f2fs_up_write(&fi->i_gc_rwsem[READ]); @@ -2150,7 +2150,7 @@ int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count) secs = div_u64(shrunk_blocks, BLKS_PER_SEC(sbi)); /* stop other GC */ - if (!f2fs_down_write_trylock(&sbi->gc_lock)) + if (!f2fs_down_write_trylock(sbi, &sbi->gc_lock)) return -EAGAIN; /* stop CP to protect MAIN_SEC in free_segment_range */ diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index ad597b417fea..aacf5515ff60 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -144,7 +144,7 @@ static void set_compress_new_inode(struct f2fs_sb_info *sbi, struct inode *dir, return; /* Don't compress hot files. */ - f2fs_down_read(&sbi->sb_lock); + f2fs_down_read(sbi, &sbi->sb_lock); cold_count = le32_to_cpu(sbi->raw_super->extension_count); hot_count = sbi->raw_super->hot_ext_count; for (i = cold_count; i < cold_count + hot_count; i++) @@ -185,7 +185,7 @@ static void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *inode, __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list; int i, cold_count, hot_count; - f2fs_down_read(&sbi->sb_lock); + f2fs_down_read(sbi, &sbi->sb_lock); cold_count = le32_to_cpu(sbi->raw_super->extension_count); hot_count = sbi->raw_super->hot_ext_count; for (i = 0; i < cold_count + hot_count; i++) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index bd1dad523796..bd108b0feb45 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -383,7 +383,7 @@ int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid) struct nat_entry *e; bool need = false; - f2fs_down_read(&nm_i->nat_tree_lock); + f2fs_down_read(sbi, &nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, nid); if (e) { if (!get_nat_flag(e, IS_CHECKPOINTED) && @@ -400,7 +400,7 @@ bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid) struct nat_entry *e; bool is_cp = true; - f2fs_down_read(&nm_i->nat_tree_lock); + f2fs_down_read(sbi, &nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, nid); if (e && !get_nat_flag(e, IS_CHECKPOINTED)) is_cp = false; @@ -414,7 +414,7 @@ bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino) struct nat_entry *e; bool need_update = true; - f2fs_down_read(&nm_i->nat_tree_lock); + f2fs_down_read(sbi, &nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, ino); if (e && get_nat_flag(e, HAS_LAST_FSYNC) && (get_nat_flag(e, IS_CHECKPOINTED) || @@ -517,7 +517,7 @@ int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink) struct f2fs_nm_info *nm_i = NM_I(sbi); int nr = nr_shrink; - if (!f2fs_down_write_trylock(&nm_i->nat_tree_lock)) + if (!f2fs_down_write_trylock(sbi, &nm_i->nat_tree_lock)) return 0; spin_lock(&nm_i->nat_list_lock); @@ -561,7 +561,7 @@ int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid, ni->nid = nid; retry: /* Check nat cache */ - f2fs_down_read(&nm_i->nat_tree_lock); + f2fs_down_read(sbi, &nm_i->nat_tree_lock); e = __lookup_nat_cache(nm_i, nid); if (e) { ni->ino = nat_get_ino(e); @@ -580,7 +580,7 @@ int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid, if (!f2fs_rwsem_is_locked(&sbi->cp_global_sem) || checkpoint_context) { down_read(&curseg->journal_rwsem); } else if (f2fs_rwsem_is_contended(&nm_i->nat_tree_lock) || - !down_read_trylock(&curseg->journal_rwsem)) { + !f2fs_raw_down_read_trylock(sbi, &curseg->journal_rwsem)) { f2fs_up_read(&nm_i->nat_tree_lock); goto retry; } @@ -1618,10 +1618,10 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted, goto redirty_out; if (wbc->for_reclaim) { - if (!f2fs_down_read_trylock(&sbi->node_write)) + if (!f2fs_down_read_trylock(sbi, &sbi->node_write)) goto redirty_out; } else { - f2fs_down_read(&sbi->node_write); + f2fs_down_read(sbi, &sbi->node_write); } /* This page is already truncated */ @@ -1982,7 +1982,7 @@ int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, lock_node: if (wbc->sync_mode == WB_SYNC_ALL) lock_page(page); - else if (!trylock_page(page)) + else if (!f2fs_trylock_page(sbi, page)) continue; if (unlikely(page->mapping != NODE_MAPPING(sbi))) { @@ -2233,7 +2233,7 @@ bool f2fs_nat_bitmap_enabled(struct f2fs_sb_info *sbi) unsigned int i; bool ret = true; - f2fs_down_read(&nm_i->nat_tree_lock); + f2fs_down_read(sbi, &nm_i->nat_tree_lock); for (i = 0; i < nm_i->nat_blocks; i++) { if (!test_bit_le(i, nm_i->nat_block_bitmap)) { ret = false; @@ -2423,7 +2423,7 @@ static void scan_free_nid_bits(struct f2fs_sb_info *sbi) unsigned int i, idx; nid_t nid; - f2fs_down_read(&nm_i->nat_tree_lock); + f2fs_down_read(sbi, &nm_i->nat_tree_lock); for (i = 0; i < nm_i->nat_blocks; i++) { if (!test_bit_le(i, nm_i->nat_block_bitmap)) @@ -2481,7 +2481,7 @@ static int __f2fs_build_free_nids(struct f2fs_sb_info *sbi, f2fs_ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), FREE_NID_PAGES, META_NAT, true); - f2fs_down_read(&nm_i->nat_tree_lock); + f2fs_down_read(sbi, &nm_i->nat_tree_lock); while (1) { if (!test_bit_le(NAT_BLOCK_OFFSET(nid), @@ -2636,7 +2636,7 @@ int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink) if (nm_i->nid_cnt[FREE_NID] <= MAX_FREE_NIDS) return 0; - if (!mutex_trylock(&nm_i->build_lock)) + if (!f2fs_mutex_trylock(sbi, &nm_i->build_lock)) return 0; while (nr_shrink && nm_i->nid_cnt[FREE_NID] > MAX_FREE_NIDS) { @@ -2959,7 +2959,7 @@ void f2fs_enable_nat_bits(struct f2fs_sb_info *sbi) struct f2fs_nm_info *nm_i = NM_I(sbi); unsigned int nat_ofs; - f2fs_down_read(&nm_i->nat_tree_lock); + f2fs_down_read(sbi, &nm_i->nat_tree_lock); for (nat_ofs = 0; nat_ofs < nm_i->nat_blocks; nat_ofs++) { unsigned int valid = 0, nid_ofs = 0; diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 5a2b162812c6..cb8aacbc5df6 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2806,7 +2806,7 @@ static void __f2fs_init_atgc_curseg(struct f2fs_sb_info *sbi) if (!sbi->am.atgc_enabled) return; - f2fs_down_read(&SM_I(sbi)->curseg_lock); + f2fs_down_read(sbi, &SM_I(sbi)->curseg_lock); mutex_lock(&curseg->curseg_mutex); down_write(&SIT_I(sbi)->sentry_lock); @@ -2956,7 +2956,7 @@ void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type, struct curseg_info *curseg = CURSEG_I(sbi, type); unsigned int segno; - f2fs_down_read(&SM_I(sbi)->curseg_lock); + f2fs_down_read(sbi, &SM_I(sbi)->curseg_lock); mutex_lock(&curseg->curseg_mutex); down_write(&SIT_I(sbi)->sentry_lock); @@ -3003,7 +3003,7 @@ static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type, void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force) { - f2fs_down_read(&SM_I(sbi)->curseg_lock); + f2fs_down_read(sbi, &SM_I(sbi)->curseg_lock); down_write(&SIT_I(sbi)->sentry_lock); __allocate_new_segment(sbi, type, true, force); up_write(&SIT_I(sbi)->sentry_lock); @@ -3014,7 +3014,7 @@ void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi) { int i; - f2fs_down_read(&SM_I(sbi)->curseg_lock); + f2fs_down_read(sbi, &SM_I(sbi)->curseg_lock); down_write(&SIT_I(sbi)->sentry_lock); for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) __allocate_new_segment(sbi, i, false, false); @@ -3322,7 +3322,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, struct seg_entry *se = NULL; bool segment_full = false; - f2fs_down_read(&SM_I(sbi)->curseg_lock); + f2fs_down_read(sbi, &SM_I(sbi)->curseg_lock); mutex_lock(&curseg->curseg_mutex); down_write(&sit_i->sentry_lock); @@ -3451,17 +3451,18 @@ void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino, static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio) { int type = __get_segment_type(fio); - bool keep_order = (f2fs_lfs_mode(fio->sbi) && type == CURSEG_COLD_DATA); + struct f2fs_sb_info *sbi = fio->sbi; + bool keep_order = (f2fs_lfs_mode(sbi) && type == CURSEG_COLD_DATA); if (keep_order) - f2fs_down_read(&fio->sbi->io_order_lock); + f2fs_down_read(sbi, &sbi->io_order_lock); reallocate: - f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr, + f2fs_allocate_data_block(sbi, fio->page, fio->old_blkaddr, &fio->new_blkaddr, sum, type, fio); - if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO) { - invalidate_mapping_pages(META_MAPPING(fio->sbi), + if (GET_SEGNO(sbi, fio->old_blkaddr) != NULL_SEGNO) { + invalidate_mapping_pages(META_MAPPING(sbi), fio->old_blkaddr, fio->old_blkaddr); - f2fs_invalidate_compress_page(fio->sbi, fio->old_blkaddr); + f2fs_invalidate_compress_page(sbi, fio->old_blkaddr); } /* writeout dirty page into bdev */ @@ -3471,10 +3472,10 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio) goto reallocate; } - f2fs_update_device_state(fio->sbi, fio->ino, fio->new_blkaddr, 1); + f2fs_update_device_state(sbi, fio->ino, fio->new_blkaddr, 1); if (keep_order) - f2fs_up_read(&fio->sbi->io_order_lock); + f2fs_up_read(&sbi->io_order_lock); } void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page, diff --git a/fs/f2fs/shrinker.c b/fs/f2fs/shrinker.c index 83d6fb97dcae..675758b509ee 100644 --- a/fs/f2fs/shrinker.c +++ b/fs/f2fs/shrinker.c @@ -40,17 +40,16 @@ static unsigned long __count_extent_cache(struct f2fs_sb_info *sbi, unsigned long f2fs_shrink_count(struct shrinker *shrink, struct shrink_control *sc) { - struct f2fs_sb_info *sbi; struct list_head *p; unsigned long count = 0; spin_lock(&f2fs_list_lock); p = f2fs_list.next; while (p != &f2fs_list) { - sbi = list_entry(p, struct f2fs_sb_info, s_list); + struct f2fs_sb_info *sbi = list_entry(p, struct f2fs_sb_info, s_list); /* stop f2fs_put_super */ - if (!mutex_trylock(&sbi->umount_mutex)) { + if (!f2fs_mutex_trylock(sbi, &sbi->umount_mutex)) { p = p->next; continue; } @@ -80,7 +79,6 @@ unsigned long f2fs_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) { unsigned long nr = sc->nr_to_scan; - struct f2fs_sb_info *sbi; struct list_head *p; unsigned int run_no; unsigned long freed = 0; @@ -91,13 +89,13 @@ unsigned long f2fs_shrink_scan(struct shrinker *shrink, } while (run_no == 0); p = f2fs_list.next; while (p != &f2fs_list) { - sbi = list_entry(p, struct f2fs_sb_info, s_list); + struct f2fs_sb_info *sbi = list_entry(p, struct f2fs_sb_info, s_list); if (sbi->shrinker_run_no == run_no) break; /* stop f2fs_put_super */ - if (!mutex_trylock(&sbi->umount_mutex)) { + if (!f2fs_mutex_trylock(sbi, &sbi->umount_mutex)) { p = p->next; continue; } diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 7d0202f7b317..1018dca669cc 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -62,6 +62,7 @@ const char *f2fs_fault_name[FAULT_MAX] = { [FAULT_DQUOT_INIT] = "dquot initialize", [FAULT_LOCK_OP] = "lock_op", [FAULT_BLKADDR] = "invalid blkaddr", + [FAULT_LOCK] = "lock", }; void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, @@ -2781,7 +2782,7 @@ int f2fs_quota_sync(struct super_block *sb, int type) * f2fs_down_read(quota_sem) */ f2fs_lock_op(sbi); - f2fs_down_read(&sbi->quota_sem); + f2fs_down_read(sbi, &sbi->quota_sem); ret = f2fs_quota_sync_file(sbi, cnt); @@ -2911,7 +2912,7 @@ static int f2fs_dquot_commit(struct dquot *dquot) struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); int ret; - f2fs_down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING); + f2fs_down_read_nested(sbi, &sbi->quota_sem, SINGLE_DEPTH_NESTING); ret = dquot_commit(dquot); if (ret < 0) set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); @@ -2924,7 +2925,7 @@ static int f2fs_dquot_acquire(struct dquot *dquot) struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); int ret; - f2fs_down_read(&sbi->quota_sem); + f2fs_down_read(sbi, &sbi->quota_sem); ret = dquot_acquire(dquot); if (ret < 0) set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 9ddc6ee19433..4629526e4f8d 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -743,7 +743,7 @@ static ssize_t f2fs_sbi_store(struct f2fs_attr *a, a->struct_type == GC_THREAD); if (gc_entry) { - if (!down_read_trylock(&sbi->sb->s_umount)) + if (!f2fs_raw_down_read_trylock(sbi, &sbi->sb->s_umount)) return -EAGAIN; } ret = __sbi_store(a, sbi, buf, count); diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index d92edbbdc30e..bb00c7e889da 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -513,6 +513,7 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize, int f2fs_getxattr(struct inode *inode, int index, const char *name, void *buffer, size_t buffer_size, struct page *ipage) { + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_xattr_entry *entry = NULL; int error; unsigned int size, len; @@ -527,7 +528,7 @@ int f2fs_getxattr(struct inode *inode, int index, const char *name, if (len > F2FS_NAME_LEN) return -ERANGE; - f2fs_down_read(&F2FS_I(inode)->i_xattr_sem); + f2fs_down_read(sbi, &F2FS_I(inode)->i_xattr_sem); error = lookup_all_xattrs(inode, ipage, index, len, name, &entry, &base_addr, &base_size, &is_inline); f2fs_up_read(&F2FS_I(inode)->i_xattr_sem); @@ -552,19 +553,20 @@ int f2fs_getxattr(struct inode *inode, int index, const char *name, } error = size; out: - xattr_free(F2FS_I_SB(inode), base_addr, is_inline); + xattr_free(sbi, base_addr, is_inline); return error; } ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size) { struct inode *inode = d_inode(dentry); + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_xattr_entry *entry; void *base_addr, *last_base_addr; int error; size_t rest = buffer_size; - f2fs_down_read(&F2FS_I(inode)->i_xattr_sem); + f2fs_down_read(sbi, &F2FS_I(inode)->i_xattr_sem); error = read_all_xattrs(inode, NULL, &base_addr); f2fs_up_read(&F2FS_I(inode)->i_xattr_sem); if (error) @@ -581,12 +583,11 @@ ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size) if ((void *)(entry) + sizeof(__u32) > last_base_addr || (void *)XATTR_NEXT_ENTRY(entry) > last_base_addr) { - f2fs_err(F2FS_I_SB(inode), "inode (%lu) has corrupted xattr", + f2fs_err(sbi, "inode (%lu) has corrupted xattr", inode->i_ino); - set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK); + set_sbi_flag(sbi, SBI_NEED_FSCK); error = -EFSCORRUPTED; - f2fs_handle_error(F2FS_I_SB(inode), - ERROR_CORRUPTED_XATTR); + f2fs_handle_error(sbi, ERROR_CORRUPTED_XATTR); goto cleanup; }