diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2022-03-22 01:11:42 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-06-21 03:32:17 -0400 |
| commit | baa50381ececee802b4662d831d8dd19b2162073 (patch) | |
| tree | 443278356cf1b1f71333479ed825879820fdd5fd | |
| parent | 598495031fd76937b0db065163912c21285c1d29 (diff) | |
bcachefs: shrinker.to_text() methods
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/btree_cache.c | 14 | ||||
| -rw-r--r-- | fs/bcachefs/btree_key_cache.c | 14 |
2 files changed, 28 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c index 435e68888918..9f4b4967d660 100644 --- a/fs/bcachefs/btree_cache.c +++ b/fs/bcachefs/btree_cache.c @@ -13,6 +13,7 @@ #include <linux/prefetch.h> #include <linux/sched/mm.h> +#include <linux/seq_buf.h> const char * const bch2_btree_node_flags[] = { #define x(f) #f, @@ -392,6 +393,18 @@ static unsigned long bch2_btree_cache_count(struct shrinker *shrink, return btree_cache_can_free(bc); } +static void bch2_btree_cache_shrinker_to_text(struct seq_buf *s, struct shrinker *shrink) +{ + struct bch_fs *c = container_of(shrink, struct bch_fs, + btree_cache.shrink); + char *cbuf; + size_t buflen = seq_buf_get_buf(s, &cbuf); + struct printbuf out = PRINTBUF_EXTERN(cbuf, buflen); + + bch2_btree_cache_to_text(&out, c); + seq_buf_commit(s, out.pos); +} + void bch2_fs_btree_cache_exit(struct bch_fs *c) { struct btree_cache *bc = &c->btree_cache; @@ -475,6 +488,7 @@ int bch2_fs_btree_cache_init(struct bch_fs *c) bc->shrink.count_objects = bch2_btree_cache_count; bc->shrink.scan_objects = bch2_btree_cache_scan; + bc->shrink.to_text = bch2_btree_cache_shrinker_to_text; bc->shrink.seeks = 4; ret = register_shrinker(&bc->shrink, "%s/btree_cache", c->name); out: diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c index 37beb75e2571..aafb54de937e 100644 --- a/fs/bcachefs/btree_key_cache.c +++ b/fs/bcachefs/btree_key_cache.c @@ -13,6 +13,7 @@ #include "trace.h" #include <linux/sched/mm.h> +#include <linux/seq_buf.h> static inline bool btree_uses_pcpu_readers(enum btree_id id) { @@ -1027,6 +1028,18 @@ void bch2_fs_btree_key_cache_init_early(struct btree_key_cache *c) INIT_LIST_HEAD(&c->freed_nonpcpu); } +static void bch2_btree_key_cache_shrinker_to_text(struct seq_buf *s, struct shrinker *shrink) +{ + struct btree_key_cache *bc = + container_of(shrink, struct btree_key_cache, shrink); + char *cbuf; + size_t buflen = seq_buf_get_buf(s, &cbuf); + struct printbuf out = PRINTBUF_EXTERN(cbuf, buflen); + + bch2_btree_key_cache_to_text(&out, bc); + seq_buf_commit(s, out.pos); +} + int bch2_fs_btree_key_cache_init(struct btree_key_cache *bc) { struct bch_fs *c = container_of(bc, struct bch_fs, btree_key_cache); @@ -1045,6 +1058,7 @@ int bch2_fs_btree_key_cache_init(struct btree_key_cache *bc) bc->shrink.seeks = 0; bc->shrink.count_objects = bch2_btree_key_cache_count; bc->shrink.scan_objects = bch2_btree_key_cache_scan; + bc->shrink.to_text = bch2_btree_key_cache_shrinker_to_text; if (register_shrinker(&bc->shrink, "%s/btree_key_cache", c->name)) return -BCH_ERR_ENOMEM_fs_btree_cache_init; return 0; |