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Date: Tue, 6 Jan 2015 11:20:31 -0800
From: Jaegeuk Kim <jaegeuk@...nel.org>
To: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net
Cc: Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 1/4] f2fs: clean up to remove parameter
This patch uses dn->data_blkaddr as a parameter for the destination block
address.
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
fs/f2fs/data.c | 27 ++++++++++++++-------------
fs/f2fs/f2fs.h | 2 +-
fs/f2fs/file.c | 3 ++-
fs/f2fs/inline.c | 2 +-
fs/f2fs/recovery.c | 3 ++-
fs/f2fs/segment.c | 1 +
6 files changed, 21 insertions(+), 17 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 6308435..2c0cb66 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -197,7 +197,7 @@ alloc_new:
* ->node_page
* update block addresses in the node page
*/
-static void __set_data_blkaddr(struct dnode_of_data *dn, block_t new_addr)
+static void __set_data_blkaddr(struct dnode_of_data *dn)
{
struct f2fs_node *rn;
__le32 *addr_array;
@@ -210,7 +210,7 @@ static void __set_data_blkaddr(struct dnode_of_data *dn, block_t new_addr)
/* Get physical address of data block */
addr_array = blkaddr_in_node(rn);
- addr_array[ofs_in_node] = cpu_to_le32(new_addr);
+ addr_array[ofs_in_node] = cpu_to_le32(dn->data_blkaddr);
set_page_dirty(node_page);
}
@@ -225,8 +225,8 @@ int reserve_new_block(struct dnode_of_data *dn)
trace_f2fs_reserve_new_block(dn->inode, dn->nid, dn->ofs_in_node);
- __set_data_blkaddr(dn, NEW_ADDR);
dn->data_blkaddr = NEW_ADDR;
+ __set_data_blkaddr(dn);
mark_inode_dirty(dn->inode);
sync_inode_page(dn);
return 0;
@@ -291,19 +291,19 @@ static int check_extent_cache(struct inode *inode, pgoff_t pgofs,
return 0;
}
-void update_extent_cache(block_t blk_addr, struct dnode_of_data *dn)
+void update_extent_cache(struct dnode_of_data *dn)
{
struct f2fs_inode_info *fi = F2FS_I(dn->inode);
pgoff_t fofs, start_fofs, end_fofs;
block_t start_blkaddr, end_blkaddr;
int need_update = true;
- f2fs_bug_on(F2FS_I_SB(dn->inode), blk_addr == NEW_ADDR);
+ f2fs_bug_on(F2FS_I_SB(dn->inode), dn->data_blkaddr == NEW_ADDR);
fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) +
dn->ofs_in_node;
/* Update the page address in the parent node */
- __set_data_blkaddr(dn, blk_addr);
+ __set_data_blkaddr(dn);
if (is_inode_flag_set(fi, FI_NO_EXTENT))
return;
@@ -321,16 +321,16 @@ void update_extent_cache(block_t blk_addr, struct dnode_of_data *dn)
/* Initial extent */
if (fi->ext.len == 0) {
- if (blk_addr != NULL_ADDR) {
+ if (dn->data_blkaddr != NULL_ADDR) {
fi->ext.fofs = fofs;
- fi->ext.blk_addr = blk_addr;
+ fi->ext.blk_addr = dn->data_blkaddr;
fi->ext.len = 1;
}
goto end_update;
}
/* Front merge */
- if (fofs == start_fofs - 1 && blk_addr == start_blkaddr - 1) {
+ if (fofs == start_fofs - 1 && dn->data_blkaddr == start_blkaddr - 1) {
fi->ext.fofs--;
fi->ext.blk_addr--;
fi->ext.len++;
@@ -338,7 +338,7 @@ void update_extent_cache(block_t blk_addr, struct dnode_of_data *dn)
}
/* Back merge */
- if (fofs == end_fofs + 1 && blk_addr == end_blkaddr + 1) {
+ if (fofs == end_fofs + 1 && dn->data_blkaddr == end_blkaddr + 1) {
fi->ext.len++;
goto end_update;
}
@@ -572,8 +572,8 @@ static int __allocate_data_block(struct dnode_of_data *dn)
if (unlikely(!inc_valid_block_count(sbi, dn->inode, 1)))
return -ENOSPC;
- __set_data_blkaddr(dn, NEW_ADDR);
dn->data_blkaddr = NEW_ADDR;
+ __set_data_blkaddr(dn);
get_node_info(sbi, dn->nid, &ni);
set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version);
@@ -584,7 +584,8 @@ static int __allocate_data_block(struct dnode_of_data *dn)
/* direct IO doesn't use extent cache to maximize the performance */
set_inode_flag(F2FS_I(dn->inode), FI_NO_EXTENT);
- update_extent_cache(new_blkaddr, dn);
+ dn->data_blkaddr = new_blkaddr;
+ update_extent_cache(dn);
clear_inode_flag(F2FS_I(dn->inode), FI_NO_EXTENT);
/* update i_size */
@@ -784,7 +785,7 @@ 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);
- update_extent_cache(fio->blk_addr, &dn);
+ update_extent_cache(&dn);
set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE);
}
out_writepage:
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index c48847e..37e935a 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1478,7 +1478,7 @@ void f2fs_submit_page_mbio(struct f2fs_sb_info *, struct page *,
struct f2fs_io_info *);
int reserve_new_block(struct dnode_of_data *);
int f2fs_reserve_block(struct dnode_of_data *, pgoff_t);
-void update_extent_cache(block_t, struct dnode_of_data *);
+void update_extent_cache(struct dnode_of_data *);
struct page *find_data_page(struct inode *, pgoff_t, bool);
struct page *get_lock_data_page(struct inode *, pgoff_t);
struct page *get_new_data_page(struct inode *, struct page *, pgoff_t, bool);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index f172ddc4..5df3367 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -429,7 +429,8 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
if (blkaddr == NULL_ADDR)
continue;
- update_extent_cache(NULL_ADDR, dn);
+ dn->data_blkaddr = NULL_ADDR;
+ update_extent_cache(dn);
invalidate_blocks(sbi, blkaddr);
nr_free++;
}
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 0c3f3f9..fa2aa2f 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -116,7 +116,7 @@ no_update:
set_page_writeback(page);
fio.blk_addr = dn->data_blkaddr;
write_data_page(page, dn, &fio);
- update_extent_cache(fio.blk_addr, dn);
+ update_extent_cache(dn);
f2fs_wait_on_page_writeback(page, DATA);
if (dirty)
inode_dec_dirty_pages(dn->inode);
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 9160a37..c4211a5 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -396,7 +396,8 @@ 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);
- update_extent_cache(dest, &dn);
+ dn.data_blkaddr = dest;
+ update_extent_cache(&dn);
recovered++;
}
dn.ofs_in_node++;
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index f995a85..8144a30 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1226,6 +1226,7 @@ void write_data_page(struct page *page, struct dnode_of_data *dn,
get_node_info(sbi, dn->nid, &ni);
set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version);
do_write_page(sbi, page, &sum, fio);
+ dn->data_blkaddr = fio->blk_addr;
}
void rewrite_data_page(struct page *page, struct f2fs_io_info *fio)
--
2.1.1
--
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