diff options
Diffstat (limited to 'fs/adfs')
| -rw-r--r-- | fs/adfs/adfs.h | 4 | ||||
| -rw-r--r-- | fs/adfs/dir_fplus.c | 54 |
2 files changed, 28 insertions, 30 deletions
diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h index 6497da8a2c8a..956ac0bd53e1 100644 --- a/fs/adfs/adfs.h +++ b/fs/adfs/adfs.h @@ -93,9 +93,7 @@ struct adfs_dir { int nr_buffers; struct buffer_head *bh[4]; - - /* big directories need allocated buffers */ - struct buffer_head **bh_fplus; + struct buffer_head **bhs; unsigned int pos; __u32 parent_id; diff --git a/fs/adfs/dir_fplus.c b/fs/adfs/dir_fplus.c index d56924c11b17..5f5420c9b943 100644 --- a/fs/adfs/dir_fplus.c +++ b/fs/adfs/dir_fplus.c @@ -20,7 +20,7 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct dir->nr_buffers = 0; /* start off using fixed bh set - only alloc for big dirs */ - dir->bh_fplus = &dir->bh[0]; + dir->bhs = &dir->bh[0]; block = __adfs_block_map(sb, id, 0); if (!block) { @@ -28,12 +28,12 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct goto out; } - dir->bh_fplus[0] = sb_bread(sb, block); - if (!dir->bh_fplus[0]) + dir->bhs[0] = sb_bread(sb, block); + if (!dir->bhs[0]) goto out; dir->nr_buffers += 1; - h = (struct adfs_bigdirheader *)dir->bh_fplus[0]->b_data; + h = (struct adfs_bigdirheader *)dir->bhs[0]->b_data; size = le32_to_cpu(h->bigdirsize); if (size != sz) { adfs_msg(sb, KERN_WARNING, @@ -51,19 +51,19 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct size >>= sb->s_blocksize_bits; if (size > ARRAY_SIZE(dir->bh)) { /* this directory is too big for fixed bh set, must allocate */ - struct buffer_head **bh_fplus = + struct buffer_head **bhs = kcalloc(size, sizeof(struct buffer_head *), GFP_KERNEL); - if (!bh_fplus) { + if (!bhs) { adfs_msg(sb, KERN_ERR, "not enough memory for dir object %X (%d blocks)", id, size); ret = -ENOMEM; goto out; } - dir->bh_fplus = bh_fplus; + dir->bhs = bhs; /* copy over the pointer to the block that we've already read */ - dir->bh_fplus[0] = dir->bh[0]; + dir->bhs[0] = dir->bh[0]; } for (blk = 1; blk < size; blk++) { @@ -73,8 +73,8 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct goto out; } - dir->bh_fplus[blk] = sb_bread(sb, block); - if (!dir->bh_fplus[blk]) { + dir->bhs[blk] = sb_bread(sb, block); + if (!dir->bhs[blk]) { adfs_error(sb, "dir object %x failed read for offset %d, mapped block %lX", id, blk, block); goto out; @@ -84,7 +84,7 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct } t = (struct adfs_bigdirtail *) - (dir->bh_fplus[size - 1]->b_data + (sb->s_blocksize - 8)); + (dir->bhs[size - 1]->b_data + (sb->s_blocksize - 8)); if (t->bigdirendname != cpu_to_le32(BIGDIRENDNAME) || t->bigdirendmasseq != h->startmasseq || @@ -98,14 +98,14 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct return 0; out: - if (dir->bh_fplus) { + if (dir->bhs) { for (i = 0; i < dir->nr_buffers; i++) - brelse(dir->bh_fplus[i]); + brelse(dir->bhs[i]); - if (&dir->bh[0] != dir->bh_fplus) - kfree(dir->bh_fplus); + if (&dir->bh[0] != dir->bhs) + kfree(dir->bhs); - dir->bh_fplus = NULL; + dir->bhs = NULL; } dir->nr_buffers = 0; @@ -117,7 +117,7 @@ static int adfs_fplus_setpos(struct adfs_dir *dir, unsigned int fpos) { struct adfs_bigdirheader *h = - (struct adfs_bigdirheader *) dir->bh_fplus[0]->b_data; + (struct adfs_bigdirheader *) dir->bhs[0]->b_data; int ret = -ENOENT; if (fpos <= le32_to_cpu(h->bigdirentries)) { @@ -140,18 +140,18 @@ dir_memcpy(struct adfs_dir *dir, unsigned int offset, void *to, int len) partial = sb->s_blocksize - offset; if (partial >= len) - memcpy(to, dir->bh_fplus[buffer]->b_data + offset, len); + memcpy(to, dir->bhs[buffer]->b_data + offset, len); else { char *c = (char *)to; remainder = len - partial; memcpy(c, - dir->bh_fplus[buffer]->b_data + offset, + dir->bhs[buffer]->b_data + offset, partial); memcpy(c + partial, - dir->bh_fplus[buffer + 1]->b_data, + dir->bhs[buffer + 1]->b_data, remainder); } } @@ -160,7 +160,7 @@ static int adfs_fplus_getnext(struct adfs_dir *dir, struct object_info *obj) { struct adfs_bigdirheader *h = - (struct adfs_bigdirheader *) dir->bh_fplus[0]->b_data; + (struct adfs_bigdirheader *) dir->bhs[0]->b_data; struct adfs_bigdirentry bde; unsigned int offset; int ret = -ENOENT; @@ -202,7 +202,7 @@ adfs_fplus_sync(struct adfs_dir *dir) int i; for (i = dir->nr_buffers - 1; i >= 0; i--) { - struct buffer_head *bh = dir->bh_fplus[i]; + struct buffer_head *bh = dir->bhs[i]; sync_dirty_buffer(bh); if (buffer_req(bh) && !buffer_uptodate(bh)) err = -EIO; @@ -216,14 +216,14 @@ adfs_fplus_free(struct adfs_dir *dir) { int i; - if (dir->bh_fplus) { + if (dir->bhs) { for (i = 0; i < dir->nr_buffers; i++) - brelse(dir->bh_fplus[i]); + brelse(dir->bhs[i]); - if (&dir->bh[0] != dir->bh_fplus) - kfree(dir->bh_fplus); + if (&dir->bh[0] != dir->bhs) + kfree(dir->bhs); - dir->bh_fplus = NULL; + dir->bhs = NULL; } dir->nr_buffers = 0; |