diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/extent_map.c | 13 | ||||
| -rw-r--r-- | fs/btrfs/super.c | 5 |
2 files changed, 17 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 62a21491c044..744e8952abb0 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -1080,6 +1080,7 @@ static long btrfs_scan_inode(struct btrfs_inode *inode, long *scanned, long nr_t btrfs_set_inode_full_sync(inode); remove_extent_mapping(inode, em); + trace_btrfs_extent_map_shrinker_remove_em(inode, em); /* Drop the reference for the tree. */ free_extent_map(em); nr_dropped++; @@ -1152,6 +1153,12 @@ long btrfs_free_extent_maps(struct btrfs_fs_info *fs_info, long nr_to_scan) long nr_dropped = 0; long scanned = 0; + if (trace_btrfs_extent_map_shrinker_scan_enter_enabled()) { + s64 nr = percpu_counter_sum_positive(&fs_info->evictable_extent_maps); + + trace_btrfs_extent_map_shrinker_scan_enter(fs_info, nr_to_scan, nr); + } + while (scanned < nr_to_scan) { struct btrfs_root *root; unsigned long count; @@ -1184,5 +1191,11 @@ long btrfs_free_extent_maps(struct btrfs_fs_info *fs_info, long nr_to_scan) btrfs_put_root(root); } + if (trace_btrfs_extent_map_shrinker_scan_exit_enabled()) { + s64 nr = percpu_counter_sum_positive(&fs_info->evictable_extent_maps); + + trace_btrfs_extent_map_shrinker_scan_exit(fs_info, nr_dropped, nr); + } + return nr_dropped; } diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 571f90d18c7f..2dbc930a20f7 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2374,8 +2374,11 @@ static int btrfs_show_devname(struct seq_file *m, struct dentry *root) static long btrfs_nr_cached_objects(struct super_block *sb, struct shrink_control *sc) { struct btrfs_fs_info *fs_info = btrfs_sb(sb); + const s64 nr = percpu_counter_sum_positive(&fs_info->evictable_extent_maps); - return percpu_counter_sum_positive(&fs_info->evictable_extent_maps); + trace_btrfs_extent_map_shrinker_count(fs_info, nr); + + return nr; } static long btrfs_free_cached_objects(struct super_block *sb, struct shrink_control *sc) |