diff options
Diffstat (limited to 'fs/nilfs2/sufile.c')
| -rw-r--r-- | fs/nilfs2/sufile.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/fs/nilfs2/sufile.c b/fs/nilfs2/sufile.c index da127325fdaa..37994d4a59cc 100644 --- a/fs/nilfs2/sufile.c +++ b/fs/nilfs2/sufile.c @@ -587,7 +587,8 @@ void nilfs_sufile_do_set_error(struct inode *sufile, __u64 segnum, * nilfs_sufile_get_suinfo - * @sufile: inode of segment usage file * @segnum: segment number to start looking - * @si: array of suinfo + * @buf: array of suinfo + * @sisz: byte size of suinfo * @nsi: size of suinfo array * * Description: @@ -599,11 +600,12 @@ void nilfs_sufile_do_set_error(struct inode *sufile, __u64 segnum, * * %-ENOMEM - Insufficient amount of memory available. */ -ssize_t nilfs_sufile_get_suinfo(struct inode *sufile, __u64 segnum, - struct nilfs_suinfo *si, size_t nsi) +ssize_t nilfs_sufile_get_suinfo(struct inode *sufile, __u64 segnum, void *buf, + unsigned sisz, size_t nsi) { struct buffer_head *su_bh; struct nilfs_segment_usage *su; + struct nilfs_suinfo *si = buf; size_t susz = NILFS_MDT(sufile)->mi_entry_size; struct the_nilfs *nilfs = NILFS_MDT(sufile)->mi_nilfs; void *kaddr; @@ -628,20 +630,22 @@ ssize_t nilfs_sufile_get_suinfo(struct inode *sufile, __u64 segnum, if (ret != -ENOENT) goto out; /* hole */ - memset(&si[i], 0, sizeof(struct nilfs_suinfo) * n); + memset(si, 0, sisz * n); + si = (void *)si + sisz * n; continue; } kaddr = kmap_atomic(su_bh->b_page, KM_USER0); su = nilfs_sufile_block_get_segment_usage( sufile, segnum, su_bh, kaddr); - for (j = 0; j < n; j++, su = (void *)su + susz) { - si[i + j].sui_lastmod = le64_to_cpu(su->su_lastmod); - si[i + j].sui_nblocks = le32_to_cpu(su->su_nblocks); - si[i + j].sui_flags = le32_to_cpu(su->su_flags) & + for (j = 0; j < n; + j++, su = (void *)su + susz, si = (void *)si + sisz) { + si->sui_lastmod = le64_to_cpu(su->su_lastmod); + si->sui_nblocks = le32_to_cpu(su->su_nblocks); + si->sui_flags = le32_to_cpu(su->su_flags) & ~(1UL << NILFS_SEGMENT_USAGE_ACTIVE); if (nilfs_segment_is_active(nilfs, segnum + j)) - si[i + j].sui_flags |= + si->sui_flags |= (1UL << NILFS_SEGMENT_USAGE_ACTIVE); } kunmap_atomic(kaddr, KM_USER0); |