diff options
| -rw-r--r-- | fs/ext4/ext4_common.c | 34 |
1 files changed, 12 insertions, 22 deletions
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c index db5cdb9..5e874af 100644 --- a/fs/ext4/ext4_common.c +++ b/fs/ext4/ext4_common.c @@ -163,18 +163,12 @@ static int _get_new_inode_no(unsigned char *buffer) static int _get_new_blk_no(unsigned char *buffer) { - unsigned char input; - int operand, status; + int operand; int count = 0; - int j = 0; + int i; unsigned char *ptr = buffer; struct ext_filesystem *fs = get_fs(); - if (fs->blksz != 1024) - count = 0; - else - count = 1; - while (*ptr == 255) { ptr++; count += 8; @@ -182,21 +176,17 @@ static int _get_new_blk_no(unsigned char *buffer) return -1; } - for (j = 0; j < fs->blksz; j++) { - input = *ptr; - int i = 0; - while (i <= 7) { - operand = 1 << i; - status = input & operand; - if (status) { - i++; - count++; - } else { - *ptr |= operand; - return count; - } + if (fs->blksz == 1024) + count += 1; + + for (i = 0; i <= 7; i++) { + operand = 1 << i; + if (*ptr & operand) { + count++; + } else { + *ptr |= operand; + return count; } - ptr = ptr + 1; } return -1; |