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@xxxxxxx>
---
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
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