[PATCH 8/9] ext4: log a resize update to the console every 10 seconds
From: Theodore Ts'o <tytso@mit.edu>
Date: 2012-09-13 23:06:16
Subsystem:
ext4 file system, filesystems (vfs and infrastructure), the rest · Maintainers:
"Theodore Ts'o", Alexander Viro, Christian Brauner, Linus Torvalds
For very long online resizes, a periodic update to the console log is helpful for debugging and for progress reporting. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> --- fs/ext4/resize.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 5932ab5..3c9367b 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c@@ -1869,6 +1869,7 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count) ext4_group_t n_group; ext4_fsblk_t o_blocks_count; ext4_fsblk_t n_blocks_count_retry = 0; + unsigned long last_update_time = 0; int err = 0, flexbg_size = 1 << sbi->s_log_groups_per_flex; int meta_bg;
@@ -1977,6 +1978,13 @@ retry: */ while (ext4_setup_next_flex_gd(sb, flex_gd, n_blocks_count, flexbg_size)) { + if (jiffies - last_update_time > HZ * 10) { + if (last_update_time) + ext4_msg(sb, KERN_INFO, + "resized to %llu blocks", + ext4_blocks_count(es)); + last_update_time = jiffies; + } if (ext4_alloc_group_tables(sb, flex_gd, flexbg_size) != 0) break; err = ext4_flex_group_add(sb, resize_inode, flex_gd);
--
1.7.12.rc0.22.gcdd159b