diff options
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 0dfcef53a6ed..60e7d5448a1d 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -76,7 +76,7 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma, trace_f2fs_vm_page_mkwrite(page, DATA); mapped: /* fill the page */ - wait_on_page_writeback(page); + f2fs_wait_on_page_writeback(page, DATA); out: sb_end_pagefault(inode->i_sb); return block_page_mkwrite_return(err); @@ -84,6 +84,7 @@ out: static const struct vm_operations_struct f2fs_file_vm_ops = { .fault = filemap_fault, + .map_pages = filemap_map_pages, .page_mkwrite = f2fs_vm_page_mkwrite, .remap_pages = generic_file_remap_pages, }; @@ -111,11 +112,12 @@ static int get_parent_ino(struct inode *inode, nid_t *pino) int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) { struct inode *inode = file->f_mapping->host; + struct f2fs_inode_info *fi = F2FS_I(inode); struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); int ret = 0; bool need_cp = false; struct writeback_control wbc = { - .sync_mode = WB_SYNC_NONE, + .sync_mode = WB_SYNC_ALL, .nr_to_write = LONG_MAX, .for_reclaim = 0, }; @@ -133,7 +135,7 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) /* guarantee free sections for fsync */ f2fs_balance_fs(sbi); - mutex_lock(&inode->i_mutex); + down_read(&fi->i_sem); /* * Both of fdatasync() and fsync() are able to be recovered from @@ -150,25 +152,33 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) else if (F2FS_I(inode)->xattr_ver == cur_cp_version(F2FS_CKPT(sbi))) need_cp = true; + up_read(&fi->i_sem); + if (need_cp) { nid_t pino; - F2FS_I(inode)->xattr_ver = 0; - /* all the dirty node pages should be flushed for POR */ ret = f2fs_sync_fs(inode->i_sb, 1); + + down_write(&fi->i_sem); + F2FS_I(inode)->xattr_ver = 0; if (file_wrong_pino(inode) && inode->i_nlink == 1 && get_parent_ino(inode, &pino)) { F2FS_I(inode)->i_pino = pino; file_got_pino(inode); + up_write(&fi->i_sem); mark_inode_dirty_sync(inode); ret = f2fs_write_inode(inode, NULL); if (ret) goto out; + } else { + up_write(&fi->i_sem); } } else { /* if there is no written node page, write its inode page */ while (!sync_node_pages(sbi, inode->i_ino, &wbc)) { + if (fsync_mark_done(sbi, inode->i_ino)) + goto out; mark_inode_dirty_sync(inode); ret = f2fs_write_inode(inode, NULL); if (ret) @@ -177,10 +187,9 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) ret = wait_on_node_pages_writeback(sbi, inode->i_ino); if (ret) goto out; - ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL); + ret = f2fs_issue_flush(F2FS_SB(inode->i_sb)); } out: - mutex_unlock(&inode->i_mutex); trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret); return ret; } @@ -245,7 +254,7 @@ static void truncate_partial_data_page(struct inode *inode, u64 from) f2fs_put_page(page, 1); return; } - wait_on_page_writeback(page); + f2fs_wait_on_page_writeback(page, DATA); zero_user(page, offset, PAGE_CACHE_SIZE - offset); set_page_dirty(page); f2fs_put_page(page, 1); @@ -422,7 +431,7 @@ static void fill_zero(struct inode *inode, pgoff_t index, f2fs_unlock_op(sbi); if (!IS_ERR(page)) { - wait_on_page_writeback(page); + f2fs_wait_on_page_writeback(page, DATA); zero_user(page, start, len); set_page_dirty(page); f2fs_put_page(page, 1); @@ -560,6 +569,8 @@ static long f2fs_fallocate(struct file *file, int mode, if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) return -EOPNOTSUPP; + mutex_lock(&inode->i_mutex); + if (mode & FALLOC_FL_PUNCH_HOLE) ret = punch_hole(inode, offset, len); else @@ -569,6 +580,9 @@ static long f2fs_fallocate(struct file *file, int mode, inode->i_mtime = inode->i_ctime = CURRENT_TIME; mark_inode_dirty(inode); } + + mutex_unlock(&inode->i_mutex); + trace_f2fs_fallocate(inode, mode, offset, len, ret); return ret; } |