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f2fs: introduce f2fs_has_xattr_block for better readability

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This patch introduces a help function f2fs_has_xattr_block for better
readability.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Chao Yu 2014-03-17 16:35:06 +08:00 committed by Jaegeuk Kim
parent 90aa6dc9b9
commit 4bc8e9bcf5
3 changed files with 8 additions and 3 deletions
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5
fs/f2fs/f2fs.h
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@ -637,6 +637,11 @@ static inline int F2FS_HAS_BLOCKS(struct inode *inode)
return inode->i_blocks > F2FS_DEFAULT_ALLOCATED_BLOCKS;
}
static inline bool f2fs_has_xattr_block(unsigned int ofs)
{
return ofs == XATTR_NODE_OFFSET;
}
static inline bool inc_valid_block_count(struct f2fs_sb_info *sbi,
struct inode *inode, blkcnt_t count)
{

4
fs/f2fs/node.c
View file

@ -836,7 +836,7 @@ struct page *new_node_page(struct dnode_of_data *dn,
SetPageUptodate(page);
set_page_dirty(page);
if (ofs == XATTR_NODE_OFFSET)
if (f2fs_has_xattr_block(ofs))
F2FS_I(dn->inode)->i_xattr_nid = dn->nid;
dn->node_page = page;
@ -1533,7 +1533,7 @@ bool recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr)
recover_inline_xattr(inode, page);
if (ofs_of_node(page) != XATTR_NODE_OFFSET)
if (!f2fs_has_xattr_block(ofs_of_node(page)))
return false;
/* 1: invalidate the previous xattr nid */

2
fs/f2fs/node.h
View file

@ -242,7 +242,7 @@ static inline bool IS_DNODE(struct page *node_page)
{
unsigned int ofs = ofs_of_node(node_page);
if (ofs == XATTR_NODE_OFFSET)
if (f2fs_has_xattr_block(ofs))
return false;
if (ofs == 3 || ofs == 4 + NIDS_PER_BLOCK ||