lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ext4: Move __ext4_journalled_writepage() to avoid forward declaration

Browse Source 
In addition, fix two unused variable warnings.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Aneesh Kumar K.V
2009-06-14 17:59:34 -04:00
committed by Theodore Ts'o
parent 43ce1d23b4
commit 62e086be5d
1 changed files with 54 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files

110
fs/ext4/inode.c
View File

@@ -47,10 +47,6 @@
#define MPAGE_DA_EXTENT_TAIL 0x01 #define MPAGE_DA_EXTENT_TAIL 0x01
static int __ext4_journalled_writepage(struct page *page,
struct writeback_control *wbc,
unsigned int len);
static inline int ext4_begin_ordered_truncate(struct inode *inode, static inline int ext4_begin_ordered_truncate(struct inode *inode,
loff_t new_size) loff_t new_size)
{ {
@@ -2522,6 +2518,59 @@ static int noalloc_get_block_write(struct inode *inode, sector_t iblock,
return ret; return ret;
} }
static int bget_one(handle_t *handle, struct buffer_head *bh)
{
get_bh(bh);
return 0;
}
static int bput_one(handle_t *handle, struct buffer_head *bh)
{
put_bh(bh);
return 0;
}
static int __ext4_journalled_writepage(struct page *page,
struct writeback_control *wbc,
unsigned int len)
{
struct address_space *mapping = page->mapping;
struct inode *inode = mapping->host;
struct buffer_head *page_bufs;
handle_t *handle = NULL;
int ret = 0;
int err;
page_bufs = page_buffers(page);
BUG_ON(!page_bufs);
walk_page_buffers(handle, page_bufs, 0, len, NULL, bget_one);
/* As soon as we unlock the page, it can go away, but we have
* references to buffers so we are safe */
unlock_page(page);
handle = ext4_journal_start(inode, ext4_writepage_trans_blocks(inode));
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
}
ret = walk_page_buffers(handle, page_bufs, 0, len, NULL,
do_journal_get_write_access);
err = walk_page_buffers(handle, page_bufs, 0, len, NULL,
write_end_fn);
if (ret == 0)
ret = err;
err = ext4_journal_stop(handle);
if (!ret)
ret = err;
walk_page_buffers(handle, page_bufs, 0, len, NULL, bput_one);
EXT4_I(inode)->i_state |= EXT4_STATE_JDATA;
out:
return ret;
}
/* /*
* Note that we don't need to start a transaction unless we're journaling data * Note that we don't need to start a transaction unless we're journaling data
* because we should have holes filled from ext4_page_mkwrite(). We even don't * because we should have holes filled from ext4_page_mkwrite(). We even don't
@@ -3170,59 +3219,6 @@ static sector_t ext4_bmap(struct address_space *mapping, sector_t block)
return generic_block_bmap(mapping, block, ext4_get_block); return generic_block_bmap(mapping, block, ext4_get_block);
} }
static int bget_one(handle_t *handle, struct buffer_head *bh)
{
get_bh(bh);
return 0;
}
static int bput_one(handle_t *handle, struct buffer_head *bh)
{
put_bh(bh);
return 0;
}
static int __ext4_journalled_writepage(struct page *page,
struct writeback_control *wbc,
unsigned int len)
{
struct address_space *mapping = page->mapping;
struct inode *inode = mapping->host;
struct buffer_head *page_bufs;
handle_t *handle = NULL;
int ret = 0;
int err;
page_bufs = page_buffers(page);
BUG_ON(!page_bufs);
walk_page_buffers(handle, page_bufs, 0, len, NULL, bget_one);
/* As soon as we unlock the page, it can go away, but we have
* references to buffers so we are safe */
unlock_page(page);
handle = ext4_journal_start(inode, ext4_writepage_trans_blocks(inode));
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
}
ret = walk_page_buffers(handle, page_bufs, 0, len, NULL,
do_journal_get_write_access);
err = walk_page_buffers(handle, page_bufs, 0, len, NULL,
write_end_fn);
if (ret == 0)
ret = err;
err = ext4_journal_stop(handle);
if (!ret)
ret = err;
walk_page_buffers(handle, page_bufs, 0, len, NULL, bput_one);
EXT4_I(inode)->i_state |= EXT4_STATE_JDATA;
out:
return ret;
}
static int ext4_readpage(struct file *file, struct page *page) static int ext4_readpage(struct file *file, struct page *page)
{ {
return mpage_readpage(page, ext4_get_block); return mpage_readpage(page, ext4_get_block);