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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2018-07-24 14:54:39 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:08:08 -0400 |
| commit | 5b650fd11a00271b9d4c033d1d0780826e050137 (patch) | |
| tree | 4494f3164166d229041626880f99e6057836381b /fs/bcachefs/fs.c | |
| parent | 09f3297ac90aae99d8f7e776c8df5dd0d32c1ba9 (diff) | |
| download | lwn-5b650fd11a00271b9d4c033d1d0780826e050137.tar.gz lwn-5b650fd11a00271b9d4c033d1d0780826e050137.zip | |
bcachefs: Account for internal fragmentation better
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/fs.c')
| -rw-r--r-- | fs/bcachefs/fs.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c index 5963f88b8156..67ddad95f91a 100644 --- a/fs/bcachefs/fs.c +++ b/fs/bcachefs/fs.c @@ -1428,13 +1428,16 @@ static int bch2_statfs(struct dentry *dentry, struct kstatfs *buf) { struct super_block *sb = dentry->d_sb; struct bch_fs *c = sb->s_fs_info; + struct bch_fs_usage usage = bch2_fs_usage_read(c); + u64 hidden_metadata = usage.buckets[BCH_DATA_SB] + + usage.buckets[BCH_DATA_JOURNAL]; + unsigned shift = sb->s_blocksize_bits - 9; u64 fsid; buf->f_type = BCACHEFS_STATFS_MAGIC; buf->f_bsize = sb->s_blocksize; - buf->f_blocks = c->capacity >> PAGE_SECTOR_SHIFT; - buf->f_bfree = bch2_fs_sectors_free(c, bch2_fs_usage_read(c)) >> - PAGE_SECTOR_SHIFT; + buf->f_blocks = (c->capacity - hidden_metadata) >> shift; + buf->f_bfree = (c->capacity - bch2_fs_sectors_used(c, usage)) >> shift; buf->f_bavail = buf->f_bfree; buf->f_files = atomic_long_read(&c->nr_inodes); buf->f_ffree = U64_MAX; |