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nilfs2: remove newblk argument from nilfs_btnode_submit_block 

This removes the obsolete argument from nilfs_btnode_submit_block().
This will complete separating a create function of btree node.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi 2009-11-13 16:30:41 +09:00
parent 45f4910bc0
commit 75f65edfcc
3 changed files with 6 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
fs/nilfs2/btnode.c
View File

@ -95,8 +95,7 @@ nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr)
} }
int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr, int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
sector_t pblocknr, struct buffer_head **pbh, sector_t pblocknr, struct buffer_head **pbh)
int newblk)
{ {
struct buffer_head *bh; struct buffer_head *bh;
struct inode *inode = NILFS_BTNC_I(btnc); struct inode *inode = NILFS_BTNC_I(btnc);
@ -107,19 +106,6 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
return -ENOMEM; return -ENOMEM;
err = -EEXIST; /* internal code */ err = -EEXIST; /* internal code */
if (newblk) {
if (unlikely(buffer_mapped(bh) || buffer_uptodate(bh) ||
buffer_dirty(bh))) {
brelse(bh);
BUG();
}
memset(bh->b_data, 0, 1 << inode->i_blkbits);
bh->b_bdev = NILFS_I_NILFS(inode)->ns_bdev;
bh->b_blocknr = blocknr;
set_buffer_mapped(bh);
set_buffer_uptodate(bh);
goto found;
}
if (buffer_uptodate(bh) || buffer_dirty(bh)) if (buffer_uptodate(bh) || buffer_dirty(bh))
goto found; goto found;
@ -162,12 +148,12 @@ out_locked:
} }
int nilfs_btnode_get(struct address_space *btnc, __u64 blocknr, int nilfs_btnode_get(struct address_space *btnc, __u64 blocknr,
sector_t pblocknr, struct buffer_head **pbh, int newblk) sector_t pblocknr, struct buffer_head **pbh)
{ {
struct buffer_head *bh; struct buffer_head *bh;
int err; int err;
err = nilfs_btnode_submit_block(btnc, blocknr, pblocknr, pbh, newblk); err = nilfs_btnode_submit_block(btnc, blocknr, pblocknr, pbh);
if (err == -EEXIST) /* internal code (cache hit) */ if (err == -EEXIST) /* internal code (cache hit) */
return 0; return 0;
if (unlikely(err)) if (unlikely(err))

4
fs/nilfs2/btnode.h
View File

@ -43,9 +43,9 @@ void nilfs_btnode_cache_clear(struct address_space *);
struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc, struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc,
__u64 blocknr); __u64 blocknr);
int nilfs_btnode_submit_block(struct address_space *, __u64, sector_t, int nilfs_btnode_submit_block(struct address_space *, __u64, sector_t,
struct buffer_head **, int); struct buffer_head **);
int nilfs_btnode_get(struct address_space *, __u64, sector_t, int nilfs_btnode_get(struct address_space *, __u64, sector_t,
struct buffer_head **, int); struct buffer_head **);
void nilfs_btnode_delete(struct buffer_head *); void nilfs_btnode_delete(struct buffer_head *);
int nilfs_btnode_prepare_change_key(struct address_space *, int nilfs_btnode_prepare_change_key(struct address_space *,
struct nilfs_btnode_chkey_ctxt *); struct nilfs_btnode_chkey_ctxt *);

2
fs/nilfs2/gcinode.c
View File

@ -149,7 +149,7 @@ int nilfs_gccache_submit_read_node(struct inode *inode, sector_t pbn,
__u64 vbn, struct buffer_head **out_bh) __u64 vbn, struct buffer_head **out_bh)
{ {
int ret = nilfs_btnode_submit_block(&NILFS_I(inode)->i_btnode_cache, int ret = nilfs_btnode_submit_block(&NILFS_I(inode)->i_btnode_cache,
vbn ? : pbn, pbn, out_bh, 0); vbn ? : pbn, pbn, out_bh);
if (ret == -EEXIST) /* internal code (cache hit) */ if (ret == -EEXIST) /* internal code (cache hit) */
ret = 0; ret = 0;
return ret; return ret;