diff options
| author | Huajun Li <huajun.li@intel.com> | 2013-11-10 23:13:18 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-12-23 10:18:03 +0900 |
| commit | b600965c43f9690eb481d0c19948e109b685bde7 (patch) | |
| tree | a74052ffde2e60c1a179e4e72a99ba3acd5eb205 /fs/f2fs/file.c | |
| parent | 0daaad97dcdc5cf91d368894a0954704e9a2cf2d (diff) | |
f2fs: add a new function: f2fs_reserve_block()
Add the function f2fs_reserve_block() to easily reserve new blocks, and
use it to clean up more codes.
Signed-off-by: Huajun Li <huajun.li@intel.com>
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
Signed-off-by: Weihong Xu <weihong.xu@intel.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 38 |
1 files changed, 6 insertions, 32 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 7d714f4972d5..1cd8e44b637f 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -33,7 +33,6 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page = vmf->page; struct inode *inode = file_inode(vma->vm_file); struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); - block_t old_blk_addr; struct dnode_of_data dn; int err; @@ -44,24 +43,10 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma, /* block allocation */ f2fs_lock_op(sbi); set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, page->index, ALLOC_NODE); - if (err) { - f2fs_unlock_op(sbi); - goto out; - } - - old_blk_addr = dn.data_blkaddr; - - if (old_blk_addr == NULL_ADDR) { - err = reserve_new_block(&dn); - if (err) { - f2fs_put_dnode(&dn); - f2fs_unlock_op(sbi); - goto out; - } - } - f2fs_put_dnode(&dn); + err = f2fs_reserve_block(&dn, page->index); f2fs_unlock_op(sbi); + if (err) + goto out; file_update_time(vma->vm_file); lock_page(page); @@ -532,22 +517,11 @@ static int expand_inode_data(struct inode *inode, loff_t offset, f2fs_lock_op(sbi); set_new_dnode(&dn, inode, NULL, NULL, 0); - ret = get_dnode_of_data(&dn, index, ALLOC_NODE); - if (ret) { - f2fs_unlock_op(sbi); + ret = f2fs_reserve_block(&dn, index); + f2fs_unlock_op(sbi); + if (ret) break; - } - if (dn.data_blkaddr == NULL_ADDR) { - ret = reserve_new_block(&dn); - if (ret) { - f2fs_put_dnode(&dn); - f2fs_unlock_op(sbi); - break; - } - } - f2fs_put_dnode(&dn); - f2fs_unlock_op(sbi); if (pg_start == pg_end) new_size = offset + len; |