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f2fs: introduce help macro ADDRS_PER_PAGE()

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Introduce help macro ADDRS_PER_PAGE() to get the number of address pointers in
direct node or inode.

Signed-off-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
This commit is contained in:
Chao Yu 2014-04-26 19:59:52 +08:00 • committed by Jaegeuk Kim
commit 6403eb1f64
4 changed files with 7 additions and 12 deletions
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6
fs/f2fs/data.c
View file

@ -652,8 +652,7 @@ static int get_data_block(struct inode *inode, sector_t iblock,
goto put_out;
}
end_offset = IS_INODE(dn.node_page) ?
ADDRS_PER_INODE(F2FS_I(inode)) : ADDRS_PER_BLOCK;
end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
bh_result->b_size = (((size_t)1) << blkbits);
dn.ofs_in_node++;
pgofs++;
@ -675,8 +674,7 @@ get_next:
if (dn.data_blkaddr == NEW_ADDR)
goto put_out;
end_offset = IS_INODE(dn.node_page) ?
ADDRS_PER_INODE(F2FS_I(inode)) : ADDRS_PER_BLOCK;
end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
}
if (maxblocks > (bh_result->b_size >> blkbits)) {

5
fs/f2fs/file.c
View file

@ -288,10 +288,7 @@ int truncate_blocks(struct inode *inode, u64 from)
return err;
}
if (IS_INODE(dn.node_page))
count = ADDRS_PER_INODE(F2FS_I(inode));
else
count = ADDRS_PER_BLOCK;
count = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
count -= dn.ofs_in_node;
f2fs_bug_on(count < 0);

5
fs/f2fs/recovery.c
View file

@ -301,10 +301,7 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
goto out;
start = start_bidx_of_node(ofs_of_node(page), fi);
if (IS_INODE(page))
end = start + ADDRS_PER_INODE(fi);
else
end = start + ADDRS_PER_BLOCK;
end = start + ADDRS_PER_PAGE(page, fi);
f2fs_lock_op(sbi);