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bcachefs: Switch to uuid_to_fsid()

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switch the statfs code from something horrible and open coded to the
more standard uuid_to_fsid()

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-02-03 15:05:17 -05:00
parent 7f76b08aca
commit f8f8fb443b
1 changed files with 1 additions and 5 deletions
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6
fs/bcachefs/fs.c
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@ -1572,7 +1572,6 @@ static int bch2_statfs(struct dentry *dentry, struct kstatfs *buf)
* number:
*/
u64 avail_inodes = ((usage.capacity - usage.used) << 3);
u64 fsid;
buf->f_type = BCACHEFS_STATFS_MAGIC;
buf->f_bsize = sb->s_blocksize;
@ -1583,10 +1582,7 @@ static int bch2_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_files = usage.nr_inodes + avail_inodes;
buf->f_ffree = avail_inodes;
fsid = le64_to_cpup((void *) c->sb.user_uuid.b) ^
le64_to_cpup((void *) c->sb.user_uuid.b + sizeof(u64));
buf->f_fsid.val[0] = fsid & 0xFFFFFFFFUL;
buf->f_fsid.val[1] = (fsid >> 32) & 0xFFFFFFFFUL;
buf->f_fsid = uuid_to_fsid(c->sb.user_uuid.b);
buf->f_namelen = BCH_NAME_MAX;
return 0;