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zfs readdir: if there were no dirents to copy out, return EINVAL same as UFS

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Reviewed by:	allanjude, markj, rmacklem
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D51930
This commit is contained in:
Konstantin Belousov
2025-08-16 04:33:09 +03:00
parent adba3e0871
commit 9a3edc8d5d
1 changed files with 3 additions and 1 deletions
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sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c
+3 -1
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@@ -1695,6 +1695,7 @@ zfs_readdir(vnode_t *vp, zfs_uio_t *uio, cred_t *cr, int *eofp,
objset_t *os;
caddr_t outbuf;
size_t bufsize;
ssize_t orig_resid;
zap_cursor_t zc;
zap_attribute_t *zap;
uint_t bytes_wanted;
@@ -1743,6 +1744,7 @@ zfs_readdir(vnode_t *vp, zfs_uio_t *uio, cred_t *cr, int *eofp,
error = 0;
os = zfsvfs->z_os;
offset = zfs_uio_offset(uio);
orig_resid = zfs_uio_resid(uio);
prefetch = zp->z_zn_prefetch;
zap = zap_attribute_long_alloc();
@@ -1922,7 +1924,7 @@ zfs_readdir(vnode_t *vp, zfs_uio_t *uio, cred_t *cr, int *eofp,
kmem_free(outbuf, bufsize);
if (error == ENOENT)
error = 0;
error = orig_resid == zfs_uio_resid(uio) ? EINVAL : 0;
ZFS_ACCESSTIME_STAMP(zfsvfs, zp);