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| author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-11-13 03:10:21 +0900 |
|---|---|---|
| committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-11-20 10:05:48 +0900 |
| commit | 7b16c8a211c87d465c48ea324928f8057590b853 (patch) | |
| tree | 3afd724d8d6240516d58793d8c3f373ca16e4f40 /fs/nilfs2/sufile.c | |
| parent | fd66c0d5c377ee8146909d0eb9258539e4b0f293 (diff) | |
| download | linux-7b16c8a211c87d465c48ea324928f8057590b853.tar.gz | |
nilfs2: unfold nilfs_sufile_block_get_header function
This unfolds the nilfs_sufile_block_get_header() function for simplicity. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/sufile.c')
| -rw-r--r-- | fs/nilfs2/sufile.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/fs/nilfs2/sufile.c b/fs/nilfs2/sufile.c index b344f27238f0..88344728f216 100644 --- a/fs/nilfs2/sufile.c +++ b/fs/nilfs2/sufile.c @@ -62,14 +62,6 @@ nilfs_sufile_segment_usages_in_block(const struct inode *sufile, __u64 curr, max - curr + 1); } -static inline struct nilfs_sufile_header * -nilfs_sufile_block_get_header(const struct inode *sufile, - struct buffer_head *bh, - void *kaddr) -{ - return kaddr + bh_offset(bh); -} - static struct nilfs_segment_usage * nilfs_sufile_block_get_segment_usage(const struct inode *sufile, __u64 segnum, struct buffer_head *bh, void *kaddr) @@ -270,7 +262,7 @@ int nilfs_sufile_alloc(struct inode *sufile, __u64 *segnump) if (ret < 0) goto out_sem; kaddr = kmap_atomic(header_bh->b_page, KM_USER0); - header = nilfs_sufile_block_get_header(sufile, header_bh, kaddr); + header = kaddr + bh_offset(header_bh); ncleansegs = le64_to_cpu(header->sh_ncleansegs); last_alloc = le64_to_cpu(header->sh_last_alloc); kunmap_atomic(kaddr, KM_USER0); @@ -302,8 +294,7 @@ int nilfs_sufile_alloc(struct inode *sufile, __u64 *segnump) kunmap_atomic(kaddr, KM_USER0); kaddr = kmap_atomic(header_bh->b_page, KM_USER0); - header = nilfs_sufile_block_get_header( - sufile, header_bh, kaddr); + header = kaddr + bh_offset(header_bh); le64_add_cpu(&header->sh_ncleansegs, -1); le64_add_cpu(&header->sh_ndirtysegs, 1); header->sh_last_alloc = cpu_to_le64(segnum); @@ -515,7 +506,7 @@ int nilfs_sufile_get_stat(struct inode *sufile, struct nilfs_sustat *sustat) goto out_sem; kaddr = kmap_atomic(header_bh->b_page, KM_USER0); - header = nilfs_sufile_block_get_header(sufile, header_bh, kaddr); + header = kaddr + bh_offset(header_bh); sustat->ss_nsegs = nilfs_sufile_get_nsegments(sufile); sustat->ss_ncleansegs = le64_to_cpu(header->sh_ncleansegs); sustat->ss_ndirtysegs = le64_to_cpu(header->sh_ndirtysegs); |