From 9180c5f91804e9b381d11b6c19cbefa5c5490b2b Mon Sep 17 00:00:00 2001 From: Alan Huang Date: Fri, 2 May 2025 04:01:32 +0800 Subject: [PATCH] bcachefs: Rename x_name to x_name_and_value The flexible array contains name and value, the x_name is misleading. Signed-off-by: Alan Huang Signed-off-by: Kent Overstreet --- fs/bcachefs/xattr.c | 16 ++++++++-------- fs/bcachefs/xattr.h | 4 ++-- fs/bcachefs/xattr_format.h | 4 ++-- 3 files changed, 12 insertions(+), 12 deletions(-) diff --git a/fs/bcachefs/xattr.c b/fs/bcachefs/xattr.c index 423ace6272be..6b64cec78fb9 100644 --- a/fs/bcachefs/xattr.c +++ b/fs/bcachefs/xattr.c @@ -38,7 +38,7 @@ static u64 xattr_hash_bkey(const struct bch_hash_info *info, struct bkey_s_c k) struct bkey_s_c_xattr x = bkey_s_c_to_xattr(k); return bch2_xattr_hash(info, - &X_SEARCH(x.v->x_type, x.v->x_name, x.v->x_name_len)); + &X_SEARCH(x.v->x_type, x.v->x_name_and_value, x.v->x_name_len)); } static bool xattr_cmp_key(struct bkey_s_c _l, const void *_r) @@ -48,7 +48,7 @@ static bool xattr_cmp_key(struct bkey_s_c _l, const void *_r) return l.v->x_type != r->type || l.v->x_name_len != r->name.len || - memcmp(l.v->x_name, r->name.name, r->name.len); + memcmp(l.v->x_name_and_value, r->name.name, r->name.len); } static bool xattr_cmp_bkey(struct bkey_s_c _l, struct bkey_s_c _r) @@ -58,7 +58,7 @@ static bool xattr_cmp_bkey(struct bkey_s_c _l, struct bkey_s_c _r) return l.v->x_type != r.v->x_type || l.v->x_name_len != r.v->x_name_len || - memcmp(l.v->x_name, r.v->x_name, r.v->x_name_len); + memcmp(l.v->x_name_and_value, r.v->x_name_and_value, r.v->x_name_len); } const struct bch_hash_desc bch2_xattr_hash_desc = { @@ -96,7 +96,7 @@ int bch2_xattr_validate(struct bch_fs *c, struct bkey_s_c k, c, xattr_invalid_type, "invalid type (%u)", xattr.v->x_type); - bkey_fsck_err_on(memchr(xattr.v->x_name, '\0', xattr.v->x_name_len), + bkey_fsck_err_on(memchr(xattr.v->x_name_and_value, '\0', xattr.v->x_name_len), c, xattr_name_invalid_chars, "xattr name has invalid characters"); fsck_err: @@ -120,13 +120,13 @@ void bch2_xattr_to_text(struct printbuf *out, struct bch_fs *c, unsigned name_len = xattr.v->x_name_len; unsigned val_len = le16_to_cpu(xattr.v->x_val_len); unsigned max_name_val_bytes = bkey_val_bytes(xattr.k) - - offsetof(struct bch_xattr, x_name); + offsetof(struct bch_xattr, x_name_and_value); val_len = min_t(int, val_len, max_name_val_bytes - name_len); name_len = min(name_len, max_name_val_bytes); prt_printf(out, "%.*s:%.*s", - name_len, xattr.v->x_name, + name_len, xattr.v->x_name_and_value, val_len, (char *) xattr_val(xattr.v)); if (xattr.v->x_type == KEY_TYPE_XATTR_INDEX_POSIX_ACL_ACCESS || @@ -202,7 +202,7 @@ int bch2_xattr_set(struct btree_trans *trans, subvol_inum inum, xattr->v.x_type = type; xattr->v.x_name_len = namelen; xattr->v.x_val_len = cpu_to_le16(size); - memcpy(xattr->v.x_name, name, namelen); + memcpy(xattr->v.x_name_and_value, name, namelen); memcpy(xattr_val(&xattr->v), value, size); ret = bch2_hash_set(trans, bch2_xattr_hash_desc, hash_info, @@ -270,7 +270,7 @@ static int bch2_xattr_emit(struct dentry *dentry, if (!prefix) return 0; - return __bch2_xattr_emit(prefix, xattr->x_name, xattr->x_name_len, buf); + return __bch2_xattr_emit(prefix, xattr->x_name_and_value, xattr->x_name_len, buf); } static int bch2_xattr_list_bcachefs(struct bch_fs *c, diff --git a/fs/bcachefs/xattr.h b/fs/bcachefs/xattr.h index 132fbbd15a66..1139bf345f70 100644 --- a/fs/bcachefs/xattr.h +++ b/fs/bcachefs/xattr.h @@ -18,12 +18,12 @@ void bch2_xattr_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); static inline unsigned xattr_val_u64s(unsigned name_len, unsigned val_len) { - return DIV_ROUND_UP(offsetof(struct bch_xattr, x_name) + + return DIV_ROUND_UP(offsetof(struct bch_xattr, x_name_and_value) + name_len + val_len, sizeof(u64)); } #define xattr_val(_xattr) \ - ((void *) (_xattr)->x_name + (_xattr)->x_name_len) + ((void *) (_xattr)->x_name_and_value + (_xattr)->x_name_len) struct xattr_search_key { u8 type; diff --git a/fs/bcachefs/xattr_format.h b/fs/bcachefs/xattr_format.h index 67426e33d04e..4121b78d9a92 100644 --- a/fs/bcachefs/xattr_format.h +++ b/fs/bcachefs/xattr_format.h @@ -16,10 +16,10 @@ struct bch_xattr { /* * x_name contains the name and value counted by * x_name_len + x_val_len. The introduction of - * __counted_by(x_name_len) caused a false positive + * __counted_by(x_name_len) previously caused a false positive * detection of an out of bounds write. */ - __u8 x_name[]; + __u8 x_name_and_value[]; } __packed __aligned(8); #endif /* _BCACHEFS_XATTR_FORMAT_H */ -- 2.25.1