diff options
| -rw-r--r-- | fs/f2fs/data.c | 7 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 1 |
3 files changed, 9 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index b91b0e1..1e1aae6 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1513,6 +1513,7 @@ static int f2fs_write_data_pages(struct address_space *mapping, { struct inode *inode = mapping->host; struct f2fs_sb_info *sbi = F2FS_I_SB(inode); + bool locked = false; int ret; long diff; @@ -1533,7 +1534,13 @@ static int f2fs_write_data_pages(struct address_space *mapping, diff = nr_pages_to_write(sbi, DATA, wbc); + if (!S_ISDIR(inode->i_mode)) { + mutex_lock(&sbi->writepages); + locked = true; + } ret = write_cache_pages(mapping, wbc, __f2fs_writepage, mapping); + if (locked) + mutex_unlock(&sbi->writepages); f2fs_submit_merged_bio(sbi, DATA, WRITE); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index d8921cf..8de34ab 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -625,6 +625,7 @@ struct f2fs_sb_info { struct mutex cp_mutex; /* checkpoint procedure lock */ struct rw_semaphore cp_rwsem; /* blocking FS operations */ struct rw_semaphore node_write; /* locking node writes */ + struct mutex writepages; /* mutex for writepages() */ wait_queue_head_t cp_wait; struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 160b883..b2dd1b0 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1035,6 +1035,7 @@ try_onemore: sbi->raw_super = raw_super; sbi->raw_super_buf = raw_super_buf; mutex_init(&sbi->gc_mutex); + mutex_init(&sbi->writepages); mutex_init(&sbi->cp_mutex); init_rwsem(&sbi->node_write); clear_sbi_flag(sbi, SBI_POR_DOING); |
