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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2025-04-06 00:36:04 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2025-05-22 03:14:04 +0300 |
| commit | d4d71b58e5139afc5f9bda0139b99404eb216d8a (patch) | |
| tree | 5c9e000bd734c0bd2b3e11f7b271bd916dc796b4 /fs/bcachefs/io_read.c | |
| parent | a17e985be9831bf866795fe5e3da219d2061ce6c (diff) | |
| download | linux-d4d71b58e5139afc5f9bda0139b99404eb216d8a.tar.xz | |
bcachefs: RO mounts now use less memory
Defer memory allocations only needed in RW mode until we actually go RW.
This is part of improved support for RO images.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/io_read.c')
| -rw-r--r-- | fs/bcachefs/io_read.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/bcachefs/io_read.c b/fs/bcachefs/io_read.c index e5b3e987d7bb..e490f136d63d 100644 --- a/fs/bcachefs/io_read.c +++ b/fs/bcachefs/io_read.c @@ -1490,10 +1490,18 @@ void bch2_fs_io_read_exit(struct bch_fs *c) rhashtable_destroy(&c->promote_table); bioset_exit(&c->bio_read_split); bioset_exit(&c->bio_read); + mempool_exit(&c->bio_bounce_pages); } int bch2_fs_io_read_init(struct bch_fs *c) { + if (mempool_init_page_pool(&c->bio_bounce_pages, + max_t(unsigned, + c->opts.btree_node_size, + c->opts.encoded_extent_max) / + PAGE_SIZE, 0)) + return -BCH_ERR_ENOMEM_bio_bounce_pages_init; + if (bioset_init(&c->bio_read, 1, offsetof(struct bch_read_bio, bio), BIOSET_NEED_BVECS)) return -BCH_ERR_ENOMEM_bio_read_init; |