[PATCH 1/4] f2fs: split set_data_blkaddr from f2fs_update_extent_cache

From: Chao Yu
Date: Thu Mar 19 2015 - 07:24:23 EST


Split __set_data_blkaddr from f2fs_update_extent_cache for readability.

Additionally rename __set_data_blkaddr to set_data_blkaddr for exporting.

Signed-off-by: Chao Yu <chao2.yu@xxxxxxxxxxx>
---
fs/f2fs/data.c | 10 ++++------
fs/f2fs/f2fs.h | 1 +
fs/f2fs/file.c | 1 +
fs/f2fs/inline.c | 1 +
fs/f2fs/recovery.c | 1 +
5 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 1a3d86a..edeba35 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -200,7 +200,7 @@ alloc_new:
* ->node_page
* update block addresses in the node page
*/
-static void __set_data_blkaddr(struct dnode_of_data *dn)
+void set_data_blkaddr(struct dnode_of_data *dn)
{
struct f2fs_node *rn;
__le32 *addr_array;
@@ -229,7 +229,7 @@ int reserve_new_block(struct dnode_of_data *dn)
trace_f2fs_reserve_new_block(dn->inode, dn->nid, dn->ofs_in_node);

dn->data_blkaddr = NEW_ADDR;
- __set_data_blkaddr(dn);
+ set_data_blkaddr(dn);
mark_inode_dirty(dn->inode);
sync_inode_page(dn);
return 0;
@@ -783,9 +783,6 @@ void f2fs_update_extent_cache(struct dnode_of_data *dn)

f2fs_bug_on(F2FS_I_SB(dn->inode), dn->data_blkaddr == NEW_ADDR);

- /* Update the page address in the parent node */
- __set_data_blkaddr(dn);
-
if (is_inode_flag_set(fi, FI_NO_EXTENT))
return;

@@ -1031,7 +1028,7 @@ static int __allocate_data_block(struct dnode_of_data *dn)
allocate_data_block(sbi, NULL, NULL_ADDR, &dn->data_blkaddr, &sum, seg);

/* direct IO doesn't use extent cache to maximize the performance */
- __set_data_blkaddr(dn);
+ set_data_blkaddr(dn);

/* update i_size */
fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) +
@@ -1288,6 +1285,7 @@ int do_write_data_page(struct page *page, struct f2fs_io_info *fio)
set_inode_flag(F2FS_I(inode), FI_UPDATE_WRITE);
} else {
write_data_page(page, &dn, fio);
+ set_data_blkaddr(&dn);
f2fs_update_extent_cache(&dn);
set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE);
}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index f2909c6..c5c3ae9 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1572,6 +1572,7 @@ int f2fs_submit_page_bio(struct f2fs_sb_info *, struct page *,
struct f2fs_io_info *);
void f2fs_submit_page_mbio(struct f2fs_sb_info *, struct page *,
struct f2fs_io_info *);
+void set_data_blkaddr(struct dnode_of_data *);
int reserve_new_block(struct dnode_of_data *);
int f2fs_reserve_block(struct dnode_of_data *, pgoff_t);
void f2fs_shrink_extent_tree(struct f2fs_sb_info *, int);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index d927f8e..e0f6b94 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -435,6 +435,7 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
continue;

dn->data_blkaddr = NULL_ADDR;
+ set_data_blkaddr(dn);
f2fs_update_extent_cache(dn);
invalidate_blocks(sbi, blkaddr);
nr_free++;
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index d3e0599..7484cff 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -131,6 +131,7 @@ no_update:
set_page_writeback(page);
fio.blk_addr = dn->data_blkaddr;
write_data_page(page, dn, &fio);
+ set_data_blkaddr(dn);
f2fs_update_extent_cache(dn);
f2fs_wait_on_page_writeback(page, DATA);
if (dirty)
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 6e40874..e60ffaa 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -403,6 +403,7 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
/* write dummy data page */
recover_data_page(sbi, NULL, &sum, src, dest);
dn.data_blkaddr = dest;
+ set_data_blkaddr(&dn);
f2fs_update_extent_cache(&dn);
recovered++;
}
--
2.3.1


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