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authorHarshad Shirwadkar <harshadshirwadkar@gmail.com>2021-04-01 19:21:28 +0200
committerTheodore Ts'o <tytso@mit.edu>2021-04-09 17:34:59 +0200
commitf68f4063855903fd3a279e646451eab04db0655f (patch)
tree9a72e685e1b7b8db7a46a288a0c7c70f371fbfab /fs/ext4/ext4.h
parentext4: improve cr 0 / cr 1 group scanning (diff)
downloadlinux-f68f4063855903fd3a279e646451eab04db0655f.tar.xz
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ext4: add proc files to monitor new structures
This patch adds a new file "mb_structs_summary" which allows us to see the summary of the new allocator structures added in this series. Here's the sample output of file: optimize_scan: 1 max_free_order_lists: list_order_0_groups: 0 list_order_1_groups: 0 list_order_2_groups: 0 list_order_3_groups: 0 list_order_4_groups: 0 list_order_5_groups: 0 list_order_6_groups: 0 list_order_7_groups: 0 list_order_8_groups: 0 list_order_9_groups: 0 list_order_10_groups: 0 list_order_11_groups: 0 list_order_12_groups: 0 list_order_13_groups: 40 fragment_size_tree: tree_min: 16384 tree_max: 32768 tree_nodes: 40 Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Reviewed-by: Andreas Dilger <adilger@dilger.ca> Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com> Link: https://lore.kernel.org/r/20210401172129.189766-7-harshadshirwadkar@gmail.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 42df628b35e5..369b2d2c8850 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2872,6 +2872,7 @@ int __init ext4_fc_init_dentry_cache(void);
/* mballoc.c */
extern const struct seq_operations ext4_mb_seq_groups_ops;
+extern const struct seq_operations ext4_mb_seq_structs_summary_ops;
extern long ext4_mb_stats;
extern long ext4_mb_max_to_scan;
extern int ext4_seq_mb_stats_show(struct seq_file *seq, void *offset);