diff options
Diffstat (limited to 'kernel/power/tuxonice_io.c')
| -rw-r--r-- | kernel/power/tuxonice_io.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/kernel/power/tuxonice_io.c b/kernel/power/tuxonice_io.c index 3c62c2682..2db934350 100644 --- a/kernel/power/tuxonice_io.c +++ b/kernel/power/tuxonice_io.c @@ -1232,24 +1232,28 @@ static inline int save_fs_info(struct fs_info *fs, struct block_device *bdev) return (!fs || IS_ERR(fs) || !fs->last_mount_size) ? 0 : 1; } -int fs_info_space_needed(void) +int fs_info_space_needed(int reset) { - const struct super_block *sb; - int result = sizeof(int); + static int last_result = 0; + const struct super_block *sb; + int result = sizeof(int); + if (!last_result || reset) { list_for_each_entry(sb, &super_blocks, s_list) { - struct fs_info *fs; + struct fs_info *fs; - if (!sb->s_bdev) - continue; + if (!sb->s_bdev) + continue; - fs = fs_info_from_block_dev(sb->s_bdev); - if (save_fs_info(fs, sb->s_bdev)) - result += 16 + sizeof(dev_t) + sizeof(int) + - fs->last_mount_size; - free_fs_info(fs); + fs = fs_info_from_block_dev(sb->s_bdev); + if (save_fs_info(fs, sb->s_bdev)) + result += 16 + sizeof(dev_t) + sizeof(int) + + fs->last_mount_size; + free_fs_info(fs); } - return result; + last_result = result; + } + return result; } static int fs_info_num_to_save(void) |