Hi Kent,
Seems the max length of xattr name+value is only 2004 bytes.
Why the limit of U8_MAX below?
root@bee:~# dd if=/dev/zero bs=1 count=1996 2>/dev/null | attr -s "long_attr" /mnt/test/attr.txt
attr_set: Numerical result out of range
Could not set "long_attr" for /mnt/test/attr.txt
183 int bch_xattr_set(struct inode *inode, const char *name,
...
230 if (value) {
231 struct keylist keys;
232 struct bkey_i_xattr *xattr;
233 unsigned u64s = BKEY_U64s +
234 DIV_ROUND_UP(sizeof(struct bch_xattr) +
235 qname.len + size,
236 sizeof(u64));
237
238 if (u64s > U8_MAX) {
239 ret = -ERANGE;
240 break;
241 }
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